1. Detailed Product Introduction
All parts are direct TSC OEM equivalents, meaning they fit perfectly with the existing fluid end assembly of the NATIONAL 10-P-130 pump—no field drilling, machining, or modification is needed, saving maintenance teams 35 minutes to 1.2 hours of installation time per repair. This is especially valuable in remote onshore drilling sites, where every minute of downtime adds to operational costs. Each component is made from field-proven, high-performance materials to address common fluid end failure points: power frame studs are made from heat-treated alloy steel with a minimum yield strength of 105,000 PSI, ensuring they can withstand high vibration and pressure without loosening or breaking; valve guide bushings feature an induction-hardened surface to reduce wear and extend service life; sealsare constructed from nitrile rubber with aramid reinforcement, resisting high pressure and drilling mud contamination.
2. Core Functional Specifications
The fluid end is the foundation of the NATIONAL 10-P-130 mud pump’s performance, and each component in this parts list plays a critical role in ensuring smooth, efficient operation. The complete fluid end module assembly (TS-FEMNAT10PCA, 3 units per pump) integrates all key components into a single, ready-to-install unit, simplifying full fluid end overhauls and reducing installation time by up to 55%. Studded fluid end discharge modules (TS-1290335) and suction modules (TS-1290338) form the core of the fluid end, controlling the intake and discharge of drilling mud to maintain consistent pressure and flow, with each module pre-assembled with essential studs and nuts for quick installation.
3. Recommended Applicable Operating Conditions
These NATIONAL 10-P-130 fluid end parts are engineered to perform reliably across the harsh onshore drilling and well workover environments that the NATIONAL 10-P-130 pump is designed for, aligned with the pump’s rated capacity. They are suitable for onshore oil & gas drilling rigs (well depths up to 8,000 feet), medium-depth well completion and stimulation operations, small to medium-scale workover rigs for well maintenance and rehabilitation, and small-scale geothermal drilling projects—all common applications for the NATIONAL 10-P-130 mud pump. These parts are designed to support the pump’s role as a critical component in drilling operations, where reliability is key to avoiding costly shutdowns and project delays.
4. Proactive Maintenance & Service Recommendations
To maximize the service life of NATIONAL 10-P-130 fluid ends, minimize downtime, and preserve optimal pump performance, follow these field-proven maintenance protocols—designed to address common failure modes and extend component life. These recommendations are tailored to the specific components in this parts list and align with the NATIONAL 10-P-130’s operational requirements, helping teams reduce maintenance costs and improve overall efficiency.
Inspect all seals and gaskets (TS-1290344, TS-1540126, TS-2410031348, TS-2410031427, TS-1590051) every 200 operating hours for signs of wear, cracking, or leakage; replace worn seals immediately to prevent mud contamination and pressure loss, which can reduce pump efficiency by up to 12%. Check all studs and nuts (TS-2408020, TS-6300240, TS-2408018, TS-6300160, TS-2408019, TS-6300220) every 150 operating hours for proper torque (1,400–1,700 ft-lbs for power frame studs); retorque if necessary and replace any studs with stripped threads or signs of damage.
We supply the following spare parts:
| ITEM | PART NUMBER | DESCRIPTION |
| TS-FEMNAT10PCA | FLUID END MODULE COMPLETE ASSEMBLY | |
| 1 | TS-1290335 | MODULE, STUDDED FLUID END DISCHARGE(INCLUDES ITEM 2-10) |
| 2 | TS-1290336 | DISCHARGE MODULE ONLY |
| 3 | TS-6300240 | NUT, POWER FRAME STUD |
| 4 | TS-2408020 | STUD, POWER FRAME |
| 5 | TS-6300160 | NUT, LINER BUSHING STUD |
| 6 | TS-2408018 | STUDS, 1HX 5-7/8″ DISCHARGE TO LINER BUSHING |
| 7 | TS-6300241 | NUT, DISCHARGE TO SUCTION MODULE STUD |
| 8 | TS-2408034 | STUD, DISCHARGE MODULE TO SUCTION MODULE |
| 9 | TS-6300220 | NUT, THREADED RING STUD |
| 10 | TS-2408019 | STUD, THREADED RING |
| 11 | TS-1290338 | MODULE, STUDDED FLUID END SUCTION(INCLUDES ITEM 12-14) |
| 12 | TS-1290339 | SUCTION MODULE ONLY |
| 13 | TS-6300220 | NUT, THREADED RING STUD |
| 14 | TS-2408019 | STUD, THREADED RING |
| 15 | TS-1290165 | BUSHING, LINER |
| 16 | TS-12 90174 | RETAINER, SEAL |
| 17 | TS-1290307 | CAP, VALVE COVER (THREADED) |
| 18 | TS-1290178 | SCREW, ADJUSTING WEDGE |
| 19 | TS-6300160 | NUT, WEDGE ADJUSTING SCREW |
| 20 | TS-1290315 | WASHER, WEDGE ADJUSTING SCREW |
| 21 | TS-1290308 | RING, THREADED |
| 22 | TS-G-1290376 | LOCKING WEDGE ASSEMBLY |
| 23 | TS-1540126 | GASKET, VALVE COVER |
| 24 | TS-1292140 | RETAINER, VALVE GUIDE BUSHING |
| 25 | TS-1292141 | BUSHING, VALVE GUIDE |
| 26 | TS-6511416 | PIN, DOWELL |
| 27 | TS-1290357 | PLATE, WEAR |
| 28 | TS-1290342 | CONNECTOR, DISCHARGE |
| 29 | TS-700030511 | CAPSCREW, DISCHARGE CONNECTOR |
| 30 | TS-7619050 | WASHER, LOCK 1/2″ |
| 31 | TS-1290343 | ADAPTER, DISCHARGE CONNECTOR |
| 32 | TS-2410031348 | SEAL, SUCTION CONNECTOR TO DISCHARGE ADAPTER |
| 33 | TS-2410031427 | SEAL, DISCHARGE CONNECTOR TO DISCHARGE ADAPTER |
| 34 | TS-1290167 | ASSEMBLY, LINER CLAMP |
| 35 | TS-700044811 | CAPSCREW, LINER CLAMP |
| 36 | TS-6309120 | NUT, LINER CAPSCREW |
| 37 | TS-1290169 | PIN, CONNECTOR |
| 38 | TS-1290168 | CONNECTOR, LINER CLAMP |
| 39 | TS-2402560 | STUD, TOP TAPER LOCK |
| 40 | TS-6300200 | NUT, 1-1/4″ HVYHEX |
| 41 | TS-1290344 | SEAL,MODULE & WEAR PLATE |
| 42 | TS-1590051 | SEAL,SUCTION MANIFOLD |
5. On-Site Field Failure Repair Cases
Case 1: Module & Wear Plate Seal Leak Causing Pressure Loss
An onshore drilling rig operating a NATIONAL 10-P-130 pump reported a sudden drop in fluid end pressure, from the rated 5000 PSI to 4400 PSI, which slowed drilling operations and increased mud consumption. Inspection revealed a worn module & wear plate seal (TS-1290344), which was leaking drilling mud and causing the pressure loss. Technicians replaced the seal with a TSC OEM-equivalent unit, torqued the wear plate to specification (1,100 ft-lbs), and pressure-tested the system. The pump was restored to full operational capacity within 20 minutes, avoiding over $3,500 in downtime costs and restoring drilling efficiency.
Case 2: Valve Guide Bushing Wear Leading to Erratic Mud Flow
A workover contractor using a NATIONAL 10-P-130 pump in a medium-depth well workover project noticed erratic mud flow, increased pump noise, and reduced pressure output. Troubleshooting identified excessive wear in the valve guide bushings (TS-1292141), which was causing valve misalignment and leakage. Technicians replaced the valve guide bushings and valve guide bushing retainers (TS-1292140), adjusted valve clearances, and tested the pump. The pump’s mud flow and pressure returned to normal within 28 minutes, preventing further delays and ensuring the workover project stayed on schedule.
Case 3: Power Frame Stud Loosening Causing Fluid End Misalignment
A remote onshore drilling rig operating a NATIONAL 10-P-130 pump reported fluid end misalignment, minor leaks, and abnormal vibration after 140 hours of continuous operation. Inspection found that power frame studs (TS-2408020) had loosened due to high vibration, leading to uneven pressure distribution and wear on the fluid end module. Technicians retorqued the studs to the recommended 1,600 ft-lbs and replaced two damaged studs with TSC OEM-equivalent units. The pump resumed smooth operation within 25 minutes, avoiding costly downtime and preventing further damage to the fluid end assembly.
6. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with the NATIONAL 10-P-130 mud pump? | Yes, every part in this collection—including the complete fluid end module assembly (TS-FEMNAT10PCA) and all individual components—is exclusively engineered to be fully compatible with the NATIONAL 10-P-130 mud pump. They match TSC OEM specifications exactly, requiring no modifications for installation, and work seamlessly with the pump’s fluid end assembly to simplify repairs and maintenance. |
| What is the benefit of using the complete fluid end module (TS-FEMNAT10PCA)? | The TS-FEMNAT10PCA complete fluid end module is pre-assembled and factory-tested, eliminating on-site assembly errors and reducing full fluid end overhaul time by up to 55%. It includes all critical components in one ready-to-install unit, ensuring consistent performance and compatibility, and is ideal for emergency overhauls or routine maintenance to minimize downtime. |
| Do these parts meet API 7K and TSC OEM quality standards? | Absolutely. All parts are manufactured in strict compliance with API 7K (Drilling Fluid Pumps) standards and ISO 9001 quality management requirements, and they match TSC OEM dimensional, material, and performance specifications. Each part undergoes rigorous testing—including pressure, torque, and dimensional checks—to ensure reliability in harsh onshore drilling environments up to 5000 PSI. |
7. Procurement Guidance
This TSC NATIONAL 10-P-130 Mud Pump Fluid End Parts List is a formal, standardized procurement reference and technical compliance document, designed specifically for drilling teams and parts suppliers seeking reliable, API 7K-certified TSC OEM-equivalent replacement components for NATIONAL 10-P-130 mud pumps. Every part—from the complete fluid end module assembly (TS-FEMNAT10PCA) to individual studs, seals, and bushings—is fully vetted for dimensional accuracy, material quality, and functional performance—critical for 5000 PSI pumps operating in onshore drilling and workover environments. This eliminates the risk of sourcing incompatible, low-quality parts that lead to costly rig downtime, premature fluid end failure, and catastrophic pump damage—issues that can cost thousands in lost productivity and repairs.
