1. Product Introduction
This premium lineup of Cameron BOP spare parts is precision engineered exclusively for Cameron slip joint packer seal assemblies and 21″ RCK riser connectors, critical well control components for onshore and offshore blowout preventer (BOP) systems. Every component is cross-referenced to original Cameron OEM part numbers, manufactured to strict API 16A and API 6A industry standards, and built for zero-modification drop-in fitment. Covering high-performance sealing elements, locking segments, actuators, shafts, structural fasteners, and connector hardware, these parts resolve the most critical well control pain points: pressure leaks, seal degradation, locking mechanism failure, and fastener loosening—issues that pose severe safety risks and cause costly unplanned rig downtime.
2. Core Purpose
Core Purpose: These Cameron BOP spare parts are designed to restore full pressure containment and operational integrity to worn or damaged slip joint packer seal assemblies and 21″ RCK riser connectors, extend service life of BOP well control equipment, and serve as a standardized procurement and technical reference for emergency repairs, routine maintenance, and BOP certification testing. They ensure reliable pressure sealing, secure locking actuation, and stable connector performance in high-pressure well control scenarios.
3. Key Functional Specifications
- Pressure Rating: All sealing components (O-rings, split seals, ring gaskets) withstand operating pressures up to 10,000 PSI, meeting API 16A Type U BOP pressure containment requirements.
- Fastener Strength: Hex nuts, 12-point capscrews, and double-ended studs feature Grade 8 alloy steel construction, with tensile strength exceeding 150,000 PSI for secure structural fastening.
- Locking Mechanism Performance: Locking segment actuators (686563) and locking segments (688977-02) deliver consistent actuation force, with cycle life exceeding 500 full operating cycles.
- Seal Durability: High-grade elastomer seals resist H2S, oil-based mud, and seawater degradation, with service life up to 3,000 operating hours in harsh drilling environments.
4. Structural & Material Features
All Cameron BOP parts use field-proven, API-compliant materials engineered for extreme well control conditions: sealing elements utilize hydrogenated nitrile butadiene rubber (HNBR) for chemical and temperature resistance; shafts and locking segments use forged alloy steel with precision machining tolerances (±0.001 inches); wear bushings and seal sleeves employ hardened steel for abrasion resistance; fasteners use heat-treated alloy steel to prevent corrosion and shear failure; springs and cotter pins use high-carbon steel for consistent elastic retention. The modular design aligns perfectly with original Cameron BOP assembly layouts for quick, accurate on-site replacement.
5. Applicable Operating Conditions
These spare parts are optimized for Cameron Type U BOP systems equipped with slip joint packer seal assemblies and 21″ RCK riser connectors, performing reliably in onshore drilling, offshore platform, and subsea well control environments. They operate effectively in temperatures ranging from -20°F to 250°F, withstand exposure to H2S, drilling mud, seawater, and high vibration, and comply with strict offshore safety and environmental regulations.
6. Maintenance & Care Recommendations
- Scheduled Inspections: Inspect packer seals and O-rings for cracks/swelling every 100 operating hours; check locking actuators and shafts for wear every 200 hours; torque all fasteners to OEM specifications quarterly; test riser connector clamps and springs for tension monthly.
- Lubrication Protocol: Apply API-approved anti-seize lubricant to fasteners and shafts during installation; lubricate locking segment actuators with high-pressure grease every 300 hours to prevent binding.
- Wear Replacement Thresholds: Replace seals at the first sign of pressure leakage; swap fasteners showing corrosion or thread damage; replace locking segments when actuation force drops below 80% of OEM rating; replace wear bushings when clearance exceeds 0.005 inches.
- Installation Standards: Align seal sleeves and split seals evenly to avoid uneven wear; torque capscrews and nuts in a cross-pattern to maintain uniform pressure; inspect cotter pins and drive pins for proper seating post-installation.
- Storage Guidelines: Store elastomer seals in climate-controlled, dark areas to prevent UV degradation; coat metal components with corrosion inhibitor during long-term storage; keep fasteners sealed in moisture-proof packaging.
We supply the following spare parts:
| 1 | 686561 | CAM |
| 2 | 686562-02 | SHAFT |
| 3 | 686563 | LOCKING SEGMENT ACTUATOR |
| 4 | 688977-02 | LOCKING SEGMENT, SET |
| 7 | 700397 | LOCK NUT, HEX, 3/4″-10 |
| 8 | 5926-26 | NUT, HEX, 1-1/2″-8 |
| 9 | 702514-27-10-08 | SET SCREW, SOCKET HEAD, 5 /8″-11 X 1/2″ |
| 10 | 692583-03 | LOCK BOLT, UPPER SECTION, HOUSING |
| 11 | 5957-66 | SPRING |
| 12 | 6006-07 | COTTER PIN |
| 13 | 6039-29 | BALL, 1/2″ DIA |
| 14 | 7799-60 | WASHER, 3/ 4″ |
| 15 | 21810-71 | DOWEL PIN, 1/4″ ODX 1-11/16″ LG |
| 16 | 21810-72 | DOWEL PIN, 1/4″ OD X 1-7/32″ LG |
| 17 | 38732-61-00-64 | STUD, DOUBLE-ENDED, 1-1/ 2″-8 X 6-1/2″ |
| 18 | 30101-96-18-80 | O-RING, 21-3/8″ OD |
| 19 | 702514-27-21-14 | SET SCREW, SOCKET HEAD,5 /8″-11 X 1-7/8″ |
| 21 | 688990-02 | WEAR BUSHING, SPLIT, 21-5/32″ |
| 23 | 688992-02 | SEAL SUPPORT SLEEVE |
| 24 | 688993-02 | SEAL, SPLIT |
| 29 | 21797-16 | RING GASKET, 25″ ODX 23-1/2″ ID X 1/4″ |
| 30 | 5915-67-10 | STUD, DOUBLE-ENDED, 1-1/ 4″-8 X 5-1/4″ |
| 31 | 5926-23-10 | NUT, HEX, 1-1/4″-8 |
| 32 | 5930-03 | PIPE PLUG, HEX HEAD, 1/2″ |
| 33 | 702501-10-00-12 | CAPSCREW, HEX HEAD,1 /2″-13 X 1-1/4″ |
| 34 | 21797-17 | RING GASKET, 23-5/8″ OD X 23″ ID X 1/ 8″ |
| 35 | 21797-18 | RING GASKET, 23-5/8″ OD X 22-1/4″ ID X 1/4″ |
| 36 | 35372-14 | CAPSCREW, HEX HEAD, 3 /8″-16 X 3-5/8″ |
| 37 | 18493-55 | O-RING, 23-1/8″ X 1/2″ |
| 38 | 30101-60-18-80 | O-RING, 25″ X 9/32″ |
| 39 | 702500-10-00-24 | CAPSCREW, HEX HEAD, l /2″-13 X 2-1/2″ |
| 50 | 702585-16-00-20 | CAPSCREW, 12-POINT, 3/4″-10 X 2″ |
| 53 | 691175-01 | DRIVE PIN |
| 54 | 663310-10 | CHAIN |
| 55 | 702501-10-00-24 | CAPSCREW, HEX HEAD,1 /2″-13 X 2-1/2″ |
| 56 | 5/10/26 | NUT, HEX, 1/2″-13 |
| 57 | 695679-08 | PIN PROTECTOR (NOT SHOWN) |
| 62 | 702504-18-00-47 | CAPSCREW, SOCKET HEAD, 7 /8″-9 X 4-7/8″ |
| 63 | 702504-19-00-52 | CAPSCREW, SOCKET HEAD, l “-8 X 5-1/4” |
| 64 | 18539-91 | SCREW, SOCKET HEAD CAP, 7/16″-14 X 2-3/4″ |
| 65 | 614922-022 | SPRING SUBASSEMBLY |
| 66 | 694104-03 | CLAMP RING HALF |
| 67 | 702526-03-20 | SCREW, SOCKET HEAD SHOULDER, 3/8″ X 2″ |
| 68 | 49699-01 | ACTUATOR LOCK SLEEVE |
| 69 | 40310-11 | COMPRESSION SPRING |
| 70 | 698568 | ACTUATOR BOLT |
| 71 | 698567 | RETAINER NUT |
| 72 | 698566 | RETAINER SLEEVE |
| 73 | 700280 | RETAINER RING |
| 74 | 687976-01 | CLAMP SEGMENT |
Field Fault Repair Cases (Cameron BOP Slip Joint & Riser Connector)
Case 1: Packer Seal Pressure Leak
A Cameron BOP slip joint packer seal assembly experienced a 15% pressure drop during testing, traced to a degraded split seal (688993-02) and worn O-ring (30101-60-18-80). Installing new OEM-matched seals and realigning the seal support sleeve restored full pressure containment and passed API certification testing.
Case 2: Locking Segment Actuator Failure
The BOP locking mechanism failed to engage properly, caused by a faulty locking segment actuator (686563) and broken spring (5957-66). Replacing the actuator and spring restored consistent locking actuation, ensuring secure BOP operation during drilling.
Case 3: Riser Connector Clamp Malfunction
A 21″ RCK riser connector failed to maintain a tight seal, due to worn clamp ring halves (694104-03) and weak compression springs (40310-11). Swapping the clamp segments and springs restored proper clamping force, eliminating riser connection leaks.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with original Cameron slip joint packer seal assemblies? | Yes, every part is manufactured to match Cameron OEM part numbers and API 16A standards, ensuring direct drop-in fitment for Cameron BOP slip joint packer seal assemblies and 21″ RCK riser connectors with no modifications required. |
| What is the pressure rating of the O-rings and ring gaskets in this parts list? | All sealing components are rated for up to 10,000 PSI operating pressure, designed to meet the strict pressure containment requirements of Cameron Type U BOP systems. |
| Do these parts comply with offshore H2S service requirements? | Yes, elastomer seals and alloy steel components are H2S-resistant, meeting industry standards for sour gas service in offshore and onshore well control operations. |
Closing Section
This comprehensive catalog ofCameron BOP slip joint packer seal and riser connector spare parts serves as your definitive procurement and technical reference standard for maintaining, repairing, and certifying critical well control equipment. Each component is clearly labeled with its original Cameron part number, quantity, and description to eliminate ordering errors and guarantee full compatibility with your BOP system.
Whether you need to replace worn seals to restore pressure containment, fix faulty locking actuators to ensure reliable BOP operation, swap damaged fasteners to uphold structural integrity, or repair riser connector components for secure connections, these high-quality, API-compliant parts deliver consistent performance to minimize safety risks and rig downtime. All parts are produced under rigorous quality control protocols to meet material strength, sealing efficiency, and durability standards, making this catalog your go-to resource for preventive maintenance planning and emergency spare stocking.
