NOV Roughneck Drilling Rig Spare Parts

Product Description

This comprehensive collection features direct-fit OEM replacement parts for NOV Roughneck iron roughnecks and associated drilling machinery, eliminating compatibility errors and restoring factory-level performance. The lineup includes iron roughneck gear assemblies, hydraulic cylinders, spin wrench components, mud pump liners and valves, gate valve bushings and seals, BOP sealing kits, top drive bearings, and precision fasteners. Unlike generic aftermarket parts, these components are forged and machined to NOV’s original material specifications, calibrated for drilling rig load ratings and pressure requirements, and tested to meet strict API quality assurance protocols for oilfield equipment.

Functional Specifications

• NOV Roughneck Mechanical Components: Idler shafts (30160604) and spinner gears (30160619) deliver smooth torque transmission for pipe spinning; torque cylinder assemblies (30160684/30160685) provide consistent clamping force for pipe makeup/breakout; hydraulic motors (30172180) power roughneck actuation with precise speed control.
• Drilling Fluid System Parts: Mud pump liners (05-466-625) and valve discs (1560557) maintain 5000 PSI pressure stability for mud circulation; sealing kits prevent fluid leaks and extend pump service life.
• Pressure Control & Sealing Components: Gate valve bushings and O-rings ensure zero-leak pressure containment; BOP wear rings and packers uphold well control safety standards; hydraulic cartridge valves regulate fluid flow with millisecond response time.

Structural Characteristics

All NOV drilling spare parts feature rugged, oilfield-specific construction for maximum durability: gear and shaft components use quenched and tempered alloy steel with 55–62 HRC hardness to resist wear; sealing elements use H2S-resistant nitrile and polytetrafluoroethylene (PTFE) materials for corrosive drilling environments; hydraulic components have precision-machined spools and corrosion-resistant coatings; all fasteners meet API threading standards for vibration-resistant fastening. Components are designed for tool-friendly on-site installation, with standardized mounting interfaces to cut repair time during critical drilling operations.

Applicable Operating Conditions

These spare parts are engineered for the extreme environments of land and offshore drilling rigs, including:

• 24/7 continuous drilling operations with high cyclic loading and heavy pipe handling
• Hydraulic system pressures up to 5000 PSI and mud pump discharge pressures matching API 7K standards
• H2S-containing drilling environments requiring NACE-compliant materials
• Ambient temperatures from -18°C (arctic drilling) to 65°C (desert/offshore drilling)
• API 6A gate valve, API 16A BOP, and NOV Roughneck iron roughneck integrated systems

Maintenance & Servicing Recommendations

1. Pre-Installation Verification: Cross-reference NOV OEM part numbers against rig technical manuals to confirm fit; inspect gears, bearings, and sealing components for defects; clean mounting surfaces to remove drilling mud and debris.
2. Roughneck Component Maintenance: Inspect gear backlash and bearing clearance every 3,000 operating hours; lubricate moving parts with API-approved drilling grease; torque fasteners to specified values to prevent vibration loosening.
3. Pump & Pressure Control Care: Replace mud pump liners and valve discs when wear exceeds 0.3mm; inspect gate valve and BOP seals for cracks quarterly; flush hydraulic systems before installing new valves and cylinders.
4. Sealing Component Upkeep: Replace O-rings and packing assemblies every 6,000 hours to prevent leaks; use H2S-compatible seals for sour gas drilling environments; conduct pressure testing post-installation to verify integrity.
5. Post-Installation Testing: Conduct functional load testing for roughneck components; perform pressure testing for pump and valve parts; verify seamless integration with rig control systems before resuming drilling.

We supply the following spare parts:

National Oilwell Varco
Item	Item Name		Article	Mechanism / Device	ME
1	IDLER SHAFT		30160604	ROUGHNECK	pcs
2	SCREW, SET-SOCKET HEAD		50708-12-OC	ROUGHNECK	pcs
3	SCREW		55109-08-C	ROUGHNECK	pcs
4	KEY, 12x8x35mm		30160607	ROUGHNECK	pcs
5	KEY, 12x8x50mm		30160608	ROUGHNECK	pcs
6	KEY, 16x10x70mm		30160617	ROUGHNECK	pcs
7	ASSY. LH SPIN WRENCH		30160387	ROUGHNECK	pcs
8	ASSY, RH SPIN WRENCH		30160390	ROUGHNECK	pcs
9	SPINNER GEAR		30160619	ROUGHNECK	pcs
10	IDLER GEAR		30160620	ROUGHNECK	pcs
11	TRANSITION GEAR		30160621	ROUGHNECK	pcs
12	CROWN WHEEL		30160622	ROUGHNECK	pcs
13	BEVEL GEAR		30160623	ROUGHNECK	pcs
14	LOCKING RING, UPPER		30160603	ROUGHNECK	pcs
15	Packing, Shaft		8264-24-ОВ	Pumps	pcs
16	PIN , SW HINGE		30160612	ROUGHNECK	pcs
17	Schalter, Temperatur, atex Eex		30151888-D	Top Drive System	pcs
18	MOTOR, HYDRAULIC, MODIFIED		30172180	ROUGHNECK	pcs
19	Gasket, Casing		10399-46-1	Pumps	pcs
20	SPACER, COUPLING		1312304	Rotary Table	pcs
21	Gland Assy., Packing		Н20622-4А	Pumps	pcs
22	Seal, Shaft Sleeve		23444-01-72	Pumps	pcs
23	Seal, Impeller		Н19110-72	Pumps	pcs
24	CLAMP CYLINDER ASSY		30160444	ROUGHNECK	pcs
25	ASSY, LH TORQUE CYL		30160684	ROUGHNECK	pcs
26	ASSY, RH TORQUE CYL		30160685	ROUGHNECK	pcs
27	SHAFT, SW ROLLER		30173756	ROUGHNECK	pcs
28	15 GALLON NITRILE BLADDER WITH SEAL KIT		20369546	BOP CONTROL SYSTEM	pcs
29	BEARING, GEAR SLIDE		30160605	ROUGHNECK	pcs
30	Gate Bushing		717383	5,000 psi Type B Gate Valve 3-1/8″	pcs
31	BUSHING, GATE, 35M TCB, & 25/10M & 35M TDB VL		717392	5,000 psi Type DB Gate Valve 3-1/8″	pcs
32	Bushing, Fiberglide, Sleeve		118844-22-12	Top Drive System	pcs
33	Sleeve, Shaft (M.S. Pump)		Н20613-21А	Pumps	pcs
34	Sleeve, Shaft (M.S. Pump)		Н20613-21А	Pumps	pcs
35	Sleeve, Shaft (M.S. Pump)		Н20613-21А	Pumps	pcs
36	Sleeve, Shaft (M.S. Pump)		Н20613-21А	Pumps	pcs
37	Liner, 6 1/4″		05-466-625	Triplex Mud Pump	pcs
38	Nut, Piston		005-402-052	Triplex Mud Pump	pcs
39	NUT, PSTN, TD HYD OPER		718917	5,000 psi Type B Gate Valve 3-1/8″	pcs
40	MODULE STUDDED, SUCTION		1292362	Triplex Mud Pump	pcs
41	MODULE STUDDED, DISCHARG		1292361	Triplex Mud Pump	pcs
42	CAP, FOR PISTON		32500-02/М2	Reset Relief Valve	pcs
43	PRESSURE SENSOR  0-5000 PSI, 4-20 мA, 24 В		4520253	HYDRAULIC POWER UNIT POWERED MOUSEHOLE CONTROL CABINET	pcs
44	Diaphragm, Suction Line Dampener		1290195	Triplex Mud Pump	pcs
45	Disc, Valve		1560557	Triplex Mud Pump	pcs
46	VLV, NEEDLE, 2WAY, 9/16″THP,  30000# VEE STEM		1120304	High Pressure Test Unit	pcs
47	VLV, NEEDLE, 2WAY ANGLE, 30M  VEE STEM 9/16″ THP		1120310	High Pressure Test Unit	pcs
48	Ball valve  3″ANSI 150#		20022756	HYDRAULIC POWER UNIT POWERED MOUSEHOLE CONTROL CABINET	pcs
49	2″ TRIPLEX PUMP SUCTION LINE VALVE		20368291	BOP CONTROL SYSTEM	pcs
50	P – 0 CV CARTRIDGE		107029-375N	ROUGHNECK	pcs
51	REMOTE VALVE CONTROL		30171622-500	ROUGHNECK	pcs
52	VALVE, CHECK, PILOT TO OPEN, 75PSI		93547-2B75N	ROUGHNECK	pcs
53	CB VALVE, CARTRIDGE		94518-23HN	ROUGHNECK	pcs
54	CHECK VALVE, CARTRIDGE		94536-175N	ROUGHNECK	pcs
55	CONTROL VALVE		10400	Catwalk Machine	pcs
56	PILOT CONTROL VALVE W/ 2 LEVER		16016	Catwalk Machine	pcs
57	VLV, CHECK, HP, 60K, POPPET TYPE, 9/16″THP X 9/16″		1503602	High Pressure Test Unit	pcs
58	WEAR RING, OPERATING PISTON (Large Bore)		20374247	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
59	WEAR RING, OPERATING PISTON (Standart Bore)		20356175	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
60	ORING, 7075 DURO		30583	5,000 psi Type DB Gate Valve 3-1/8″	pcs
61	Spring O-Ring		30599	5,000 psi Type B Gate Valve 2-1/16″	pcs
62	ORING, 7075 DURO		30611	5,000 psi Type DB Gate Valve 3-1/8″	pcs
63	O-Ring		30614	5,000 psi Type B Gate Valve 3-1/8″	pcs
64	ORING, 7075 DURO		30632	5,000 psi Type DB Gate Valve 3-1/8″	pcs
65	RG, RETAINING		40985	5,000 psi Type B Gate Valve 3-1/8″	pcs
66	RING, RETAINER		40999	5,000 psi Type B Gate Valve 3-1/8″	pcs
67	PUSH RING		30160397	ROUGHNECK	pcs
68	O-RING		51300-112-B	ROUGHNECK	pcs
69	RG, PKG, 35M&210M, TDB VLV		717292	5,000 psi Type DB Gate Valve 3-1/8″	pcs
70	RG, PKG, BTM		717315	5,000 psi Type DB Gate Valve 3-1/8″	pcs
71	RG, PKG, TOP		717316	5,000 psi Type DB Gate Valve 3-1/8″	pcs
72	SPACER, 5/10M, TDB VLV		717317	5,000 psi Type B Gate Valve 3-1/8″	pcs
73	RG, PKG, 35M, TDB VLV		717390	5,000 psi Type DB Gate Valve 3-1/8″	pcs
74	RG, HDR, PKG FOR 11/4″DIA BALANCE STEM, H2RG, HDR		718226	5,000 psi Type B Gate Valve 3-1/8″	pcs
75	Plastic Energizing Ring		20356412	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
76	O-Ring		20014727	HYDRAULIC POWER UNIT POWERED MOUSEHOLE CONTROL CABINET	pcs
77	Seal Kit		94764-SK	Top Drive System	pcs
78	RING, THREADED		1292351	Triplex Mud Pump	pcs
79	HSG, BRG, #1, TB VLV		717082	5,000 psi Type DB Gate Valve 3-1/8″	pcs
80	HSG, BRG, #1, TB VLV		717082	5,000 psi Type DB Gate Valve 3-1/8″	pcs
81	COVER,VALVE		1292352	Triplex Mud Pump	pcs
82	BONNET, SUB-ASSY,TITAN “C”		34020	RESET RELIEF VALVE, TITAN CLASS TYPE “C”	pcs
83	Packing Gland		717083	5,000 psi Type B Gate Valve 2-1/16″	pcs
84	GLAND, PKG, 25/10M & 35M, TDB VLV, TAILROD		717290	5,000 psi Type B Gate Valve 3-1/8″	pcs
85	FLG, RETNR, PKG, TAILROD, PSL3		718794	5,000 psi Type B Gate Valve 3-1/8″	pcs
86	CAP, OVERRIDE, TD HYD OPER, 110M, 23/5/10M, 35		718920	5,000 psi Type B Gate Valve 3-1/8″	pcs
87	WEARBAND, 1/2″WIDE		152344	Drilling Choke Valve	pcs
88	SEAL ASSY		30160666-4	ROUGHNECK	pcs
89	Packing Seal		20356413	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
90	MANIFOLD		109270-GA1	ROUGHNECK	pcs
91	ASSY, MANIFOLD – ST80		30154910-1	ROUGHNECK	pcs
92	ASSY, MANIFOLD, LOAD HOLD		30170647-2	ROUGHNECK	pcs
93	ST-80 MANIFOLD ASSY		30172354-502	ROUGHNECK	pcs
94	Packing Assembly		717078	5,000 psi Type DB Gate Valve 3-1/8″	pcs
95	Packing Assembly		717078	5,000 psi Type DB Gate Valve 3-1/8″	pcs
96	SEALS KIT		34095	Catwalk Machine	pcs
97	SEALS KIT		24305	Catwalk Machine	pcs
98	SEALS KIT		19483	Catwalk Machine	pcs
99	SEALS KIT		46262	Catwalk Machine	pcs
100	Stem Adapter		717079	5,000 psi Type B Gate Valve 2-1/16″	pcs
101	BEARING, MODULAR		62238	5,000 psi Type DB Gate Valve 3-1/8″	pcs
102	BEARING. BALL		30160733	ROUGHNECK	pcs
103	BEARING. BALL		30160734	ROUGHNECK	pcs
104	BRG, MOD, 25/10M, TB/DB VLV, & 35M TB/DB/CB VL		62228	5,000 psi Type DB Gate Valve 3-1/8″	pcs
105	BRG, MOD, 25/10M, TB/DB VLV, & 35M TB/DB/CB VL		62228	5,000 psi Type DB Gate Valve 3-1/8″	pcs
106	PSTN, TD HYD OPER, 110M, 23/5/10M, 35M		718916	5,000 psi Type DB Gate Valve 3-1/8″	pcs
107	Grease Fitting		60876	5,000 psi Type B Gate Valve 2-1/16″	pcs
108	Grease Fitting		60882	5,000 psi Type B Gate Valve 2-1/16″	pcs
109	LOCKWIRE		Z6001	Top Drive System	pcs
110	Gasket, Suction Line Dampener		1290199	Triplex Mud Pump	pcs
111	Bonnet Gasket		50382	5,000 psi Type B Gate Valve 2-1/16″	pcs
112	Gasket, Cover		1275158	Triplex Mud Pump	pcs
113	Gasket, Wrench Cover		1292064	Triplex Mud Pump	pcs
114	Gasket, Main Frame Cover		1292095	Triplex Mud Pump	pcs
115	Gasket, Pinion Bearing		1292097	Triplex Mud Pump	pcs
116	Gasket, Top Crosshead Access		1292076	Triplex Mud Pump	pcs
117	Gasket, Liner 6 1/4″		1540150	Triplex Mud Pump	pcs
118	Gasket, Main Bearing Cap		1292096	Triplex Mud Pump	pcs
119	Gasket, Clean Out		1283191	Triplex Mud Pump	pcs
120	Gasket, Retainer Plate		1292079	Triplex Mud Pump	pcs
121	SHIM (.002” THICK), BALL BEARING LOWER RACE		627610	Rotary Table	pcs
122	SHIM (.003” THICK), BALL BEARING LOWER RACE		627610-1	Rotary Table	pcs
123	SHIM (.036” THICK), BALL BEARING		648078-1	Rotary Table	pcs
124	SHIM (.048” THICK), BALL BEARING		648078	Rotary Table	pcs
125	PROTECTOR, FLG, 31/8″5M (PLASTIC)		64055	5,000 psi Type B Gate Valve 3-1/8″	pcs
126	SPRING, VALVE		1560701	Triplex Mud Pump	pcs
127	PRESSURE SWITCH		20008755	HYDRAULIC POWER UNIT POWERED MOUSEHOLE CONTROL CABINET	pcs
128	POLY-CHAIN TRIPLEX PUMP		20368651	BOP CONTROL SYSTEM	pcs
129	REPAIR KIT- SOFT SEALS		30177468-1	Top Drive System	pcs
130	REPAIR KIT- COMPLETE		30177468-2	Top Drive System	pcs
131	Kit Assembly		719367	5,000 psi Type B Gate Valve 2-1/16″	pcs
132	Repair Kit, Alignment Cylinder		30174223-RK	Top Drive System	pcs
133	SLIDE RING		30173757	ROUGHNECK	pcs
134	SEAT ASSY, 35M, TB/DB/HB VLV ELASTO II, H2S, STD		719448	5,000 psi Type DB Gate Valve 3-1/8″	pcs
135	SEAT ASSY, 35M, TB/DB/HB VLV ELASTO II, H2S, STD		719448	5,000 psi Type DB Gate Valve 3-1/8″	pcs
136	Seat Assembly		719366	5,000 psi Type B Gate Valve 2-1/16″	pcs
137	SEAT, VALVE		1561450	Triplex Mud Pump	pcs
138	Diaphragm Stabilizer		1005213	Triplex Mud Pump	pcs
139	4″ I.D. WASHPIPE SHOWN		30123438	Top Drive System	pcs
140	PUMP ASSEMBLY WITH DRIVE		20027047	HYDRAULIC POWER UNIT POWERED MOUSEHOLE CONTROL CABINET	pcs
141	WASHPIPE ASSY, 4 ” BORE		30123440	Top Drive System	pcs
142	O-RING, RAM CHANGE PISTON		20355884	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
143	Packer Variable Bore Ram 3-1/2″ – 7-5/8″		20359481	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
144	Top Seal 4-1/2″		20377155	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
145	O-RING, WIPING		20351512	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
146	O-RING, BONNET BOLT RETAINER		20355642	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
147	O-RING, RAM CHANGE PISTON ROD TO INT FLANGE		20355882	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
148	O-RING, OP. CYL. (STD)		20355887	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
149	O-RING, OP. PISTON ROD TO INT FLANGE		20356171	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
150	O-RING, RAM CHANGE CYL. TO INT FLANGE		20356172	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
151	O-RING, RAM CHANGE PISTON TO BODY		20367700	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
152	POLY PAK SEAL, OPERATING PISTON (Large Bore)		20374248	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
153	Side Packer Left		20374340	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
154	Side Packer Right		20374341	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
155	LIP SEAL, OPERATING PISTON (Standart Bore)		20376375	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
156	Top Seal Variable Bore Ram 2-7/8″ – 5″		20394383	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
157	Grease Seal		60603	5,000 psi Type B Gate Valve 2-1/16″	pcs
158	SEAL, POLYPAK		62232	5,000 psi Type DB Gate Valve 3-1/8″	pcs
159	SEAL, POLYPAK		62218	5,000 psi Type DB Gate Valve 3-1/8″	pcs
160	SEAL, POLYPAK		62220	5,000 psi Type DB Gate Valve 3-1/8″	pcs
161	SEAL, VALVE RETAINER		1540126	Triplex Mud Pump	pcs
162	O-RING, RAM CHANGE CYLINDER TO BONNET		20355883	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
163	SEAL, BONNET		20364461	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
164	Seal, Lip, Bull Gear		88096	Top Drive System	pcs
165	Seal, Mechanical		Н22451-1А	Pumps	pcs
166	Seal, Mechanical		Н22451-1А	Pumps	pcs
167	Seal, Mechanical		Н22451-1А	Pumps	pcs
168	Seal, Mechanical		Н22451-1А	Pumps	pcs
169	PACKING, PLASTIC		20351679	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
170	Seal, Piston 6 1/4″		15180284	Triplex Mud Pump	pcs
171	SEAL RING, CONNECTING ROD		20356169	Double Ram Blowout Preventer 18-3/4” 5,000 PSI	pcs
172	HIGH PRESSURE FILTER		142294	Catwalk Machine	pcs
173	FILTER. PRESSURE		82747-R	ROUGHNECK	pcs
174	Strainer, Discharge		1292219	Triplex Mud Pump	pcs
175	FILTER  WINCH  FA5A (1 1/2 ” FNPT)		F35-0B-C28	AIR WINCH	pcs
176	RING, FLANG E		702640-23-71-HSO	Reset Relief Valve	pcs
177	Clamp, Rod		1292085	Triplex Mud Pump	pcs
178	CYL, TD HYD OPER, 110M, 23/5/10M, 35M		718915	5,000 psi Type DB Gate Valve 3-1/8″	pcs
179	GATE, FM, 35M, TDB VLV, STD, H2S, LT, API 6A, PS		717904	5,000 psi Type DB Gate Valve 3-1/8″	pcs
180	Hydraulic hose		203276-1	Hydraulic elevator	pcs
181	Hydraulic hose		203276-2	Hydraulic elevator	pcs
182	SHOT PIN		30173958	Top Drive System	pcs
183	KEY, WOODRUFF		62260	5,000 psi Type B Gate Valve 3-1/8″	pcs
184	Dowel Pin		50071	5,000 psi Type B Gate Valve 2-1/16″	pcs
185	STEM, 35M, TDB, H2S/LT, API 6A, PSL3,		20015413	5,000 psi Type DB Gate Valve 3-1/8″	pcs
186	TAILROD,  35M, TDB VLV , H2S/LT, API 6A, PSL3		20015416	5,000 psi Type B Gate Valve 3-1/8″	pcs
187	STEM, INSIDE, TD HYD OPER, 110M, 23/5/10M, 35M		718918	5,000 psi Type B Gate Valve 3-1/8″	pcs
188	STEM, OUTSIDE, TD HYD OPER, 110M, 23/5/10M, 35		718919	5,000 psi Type B Gate Valve 3-1/8″	pcs
189	BUSHING, BONNET		13229-08	RESET RELIEF VALVE, TITAN CLASS TYPE “C”	pcs
190	BUSHING, F/ PISTON		13229-10	RESET RELIEF VALVE, TITAN CLASS TYPE “C”	pcs
191	RESET RELIEF VALVE		34000-02	Triplex Mud Pump	pcs

Field Drilling Equipment Fault Repair Cases

Case 1: NOV Roughneck Spinner Gear Failure

A land drilling rig experienced NOV Roughneck pipe spinning failure, caused by worn 30160619 spinner gears and damaged 30160604 idler shafts. The worn components disrupted torque transmission, leaving the iron roughneck unable to grip and spin drill pipe. Replacing the faulty gears, shafts, and accompanying bearings restored smooth pipe handling functionality and allowed drilling operations to resume.

Case 2: Mud Pump Liner Wear Causing Pressure Loss

An offshore rig’s triplex mud pump suffered severe pressure loss during circulation, linked to heavily worn 05-466-625 liners and damaged valve seats. The degraded liners reduced pump efficiency and hindered mud circulation, delaying drilling progress. Installing new OEM-spec liners, valve discs, and sealing gaskets restored full pressure capacity and stable mud flow.

Case 3: Gate Valve Sealing Failure

A 5,000 PSI type B gate valve exhibited fluid leakage due to degraded 717383 gate bushings and worn O-rings, creating a safety hazard on the rig floor. The faulty seals compromised pressure containment and disrupted well control operations. Replacing the bushings, O-rings, and packing assemblies eliminated leaks and restored API-compliant pressure sealing.

Frequently Asked Questions (FAQ)

Question	Answer
Are these parts compatible with all standard NOV Roughneck iron roughneck models?	Yes, these components are precision engineered to fit standard NOV Roughneck iron roughneck systems, with exact OEM part numbers and API-compliant specs for seamless fitment and performance.
Do these sealing components meet H2S and NACE drilling standards?	Select sealing parts are manufactured with NACE MR0175-compliant materials, designed specifically for H2S-containing sour gas drilling environments to prevent material degradation and leaks.
What is the recommended replacement interval for high-wear roughneck gears and bearings?	High-wear components like spinner gears and hydraulic bearings should be replaced every 8,000–10,000 operating hours, or immediately if wear, backlash, or abnormal noise is detected during inspections.

Procurement Guidance & Closing Statement

For drilling operations teams tasked with maintaining the reliability, safety, and regulatory compliance of NOV Roughneck iron roughnecks and associated drilling equipment, this spare parts catalog provides a fully API-compliant, quality-assured sourcing solution for all critical mechanical, hydraulic, and sealing components. Backed by strict oilfield manufacturing standards and exact NOV OEM part number matching, these parts eliminate compatibility risks, streamline on-site rig maintenance workflows, and provide a clear technical benchmark for resolving equipment faults quickly and effectively. Whether stocking for scheduled rig overhauls, emergency breakdown repairs, or routine preventive maintenance, these NOV-specific spare parts ensure adherence to global drilling safety standards, minimize costly downtime from equipment failure, and preserve the long-term operational integrity of your drilling rig assets. Secure the exact gears, cylinders, seals, valves, and bearings your NOV Roughneck and drilling machinery needs to maintain uninterrupted, safe, and efficient pipe handling and well drilling operations.