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National 350-PT Triplex Pump Parts
American Oil Tools sales high quality OEM style aftermarket mud pump parts for the National Oilwell 350-PT Triplex Mud Pump. All of our mud pump parts for the National Oilwell© 350PT Triplex Mud Pump are "made in the USA" . Below is a listing of the National 350-PT parts that we offer.
| MANUFACTURE | MODEL NUMBER | PART NUMBER | DESCRIPTION |
| NATIONAL OILWELL | 350-PT | 10-305-002 | FLUID END - STUDDED (INCL. ITEMS 2, 4 THRU 8 & 6 PIECES OF ITEM 3) |
| NATIONAL OILWELL | 350-PT | 45-810-020 | 1-1/8 - 8 X 5-1/4 STUD |
| NATIONAL OILWELL | 350-PT | 10-200-004 | 1-1. 8” - 8 ACORN NUT |
| NATIONAL OILWELL | 350-PT | 45-810-018 | 7/ 8” - 9 X 3 STUD |
| NATIONAL OILWELL | 350-PT | 75-510-314 | 7/8” - 9 HEAVY. HEX NUT |
| NATIONAL OILWELL | 350-PT | 86-342-103 | 3/8" STD. 8.M. STREET ELL |
| NATIONAL OILWELL | 350-PT | 10-305-110 | LINER WEAR PLATE |
| NATIONAL OILWELL | 350-PT | 20-100-014 | WEAR PLATE GASKET |
| NATIONAL OILWELL | 350-PT | 10-305-097 | VALVE COVER |
| NATIONAL OILWELL | 350-PT | 10-305-098 | VALVE GUIDE |
| NATIONAL OILWELL | 350-PT | 75-632-135 | 12 - 13 X 1 SELF LOCKING CAPSCREW |
| NATIONAL OILWELL | 350-PT | 20-200-004 | VALVE GUIDE BUSHING |
| NATIONAL OILWELL | 350-PT | 10-268-004 | VALVE COVER GASKET |
| NATIONAL OILWELL | 350-PT | 10-305-126 | SPECIFICATION PLATE |
| NATIONAL OILWELL | 350PT | 75-632-012 | NO. 2 X 1/4 DRIVE SCREW |
| NATIONAL OILWELL | 350PT | 99-609-343 | O RING (3-5/8 X 4 X 3/16) |
| NATIONAL OILWELL | 350PT | 20-160-171 | VALVE COMPLETE (INCL. ITEMS 17, 18 & 19) |
| NATIONAL OILWELL | 350PT | 20-160-177 | VALVE BODY |
| NATIONAL OILWELL | 350PT | 20-180-024 | VALVE DSC (POLYURETHANE) |
| NATIONAL OILWELL | 350-PT | 20-860-022 | VALVE NUT |
| NATIONAL OILWELL | 350-PT | 20-220-099 | VALVE SEAT W/ BUSHING (ITEMS 20 & 21) |
| NATIONAL OILWELL | 350-PT | 20-220-097 | VALVE SEAT |
| NATIONAL OILWELL | 350-PT | 20-101-767 | VALVE SEAT BUSHING |
| NATIONAL OILWELL | 350-PT | 20-160-081 | VALVE SPRING (OIL TEMP. STEEL) |
| NATIONAL OILWELL | 350-PT | 10-305-090 | DISCHARGE MANIFOLD |
| NATIONAL OILWELL | 350-PT | 10-305-087 | SUCTION MANIFOLD (INCLUDES ITEM 26) |
| NATIONAL OILWELL | 350PT | 10-305-103 | SUCTION MANIFOLD GASKET |
| NATIONAL OILWELL | 350PT | 86-486-108 | 1" STD. C.L. PIPE PLUG |
| NATIONAL OILWELL | 350-PT | 75-635-139 | 1-1/8" - 7 X 4-1/4 CAPSCREW |
| NATIONAL OILWELL | 350PT | 75-510-318 | 1-1/8 " - 7 HEAVY HEX NUT |
| NATIONAL OILWELL | 350-PT | 10-305-037 | LINER NUT |
| NATIONAL OILWELL | 350-PT | 10-305-020 | LINER ADAPTER |
| NATIONAL OILWELL | 350PT | 75-632-735 | 5/8 - 11 X 1-1/4 DOG POINT SO. HD. SET SCREW |
| NATIONAL OILWELL | 350 PT | 75-510-508 | 5/8-11 HEX JAM NUT |
| NATIONAL OILWELL | 350-PT | 20-460-666 | LINER FLUSHING SHIELD |
| NATIONAL OILWELL | 350 PT | 20-150-123 | PISTON ROD |
| NATIONAL OILWELL | 350 PT | 20-150-124 | PISTON ROD EXTENSION |
| NATIONAL OILWELL | 350 PT | 20-150-003 | PISTON RETAINING NUT |
| NATIONAL OILWELL | 350-PT | 45-810-019 | 1-1/8 - 8 X 4 STUD |
| NATIONAL OILWELL | 350 PT | 20-020-500 | 4 PISTON COMPLETE* |
| NATIONAL OILWELL | 350 PT | 20-020-501 | 4-1/2 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-020-502 | 5 PISTON COMPLETE* |
| NATIONAL OILWELL | 350 PT | 20-020-503 | 5-1/2 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-020-504 | 5-3/4 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-020-505 | 6 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-020-507 | 6-1/2 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-020-509 | 7 PISTON COMPLETE* |
| NATIONAL OILWELL | 350-PT | 20-040-051 | 4 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-001 | 4-1/2 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-005 | 5 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-009 | 5-1/2 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-011 | 5-3/4 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-013 | 6 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-037 | 6-1/2 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 20-040-041 | 7 PISTON RUBBERS** |
| NATIONAL OILWELL | 350-PT | 99-607-325 | O-RING (1-1/2 X 1-7/8 X 3/16)F |
| NATIONAL OILWELL | 350-PT | 20-150-123 | PISTON ROD |
| NATIONAL OILWELL | 350-PT | 20-150-003 | PISTON NUT |
| NATIONAL OILWELL | 350-PT | 07-329-400 | 4 SUPER DI-HARD LINER TT |
| NATIONAL OILWELL | 350-PT | 07-329-450 | 4-1/2 SUPER DI-HARD LINER FT |
| NATIONAL OILWELL | 350-PT | 07-329-500 | 5 SUPER DI>HARD LINER |
| NATIONAL OILWELL | 350-PT | 07-329-550 | 5-1/2 SUPER DI-HARD LINER |
| NATIONAL OILWELL | 350-PT | 07-329-575 | 5-3/4 SUPER DI-HARD LINER |
| NATIONAL OILWELL | 350-PT | 07-329-600 | 6 SUPER DI-HARD LINER |
| NATIONAL OILWELL | 350-PT | 07-329-650 | 6-1/2 SUPER DI-HARD LINER |
| NATIONAL OILWELL | 350-PT | 07-329-700 | 7 SUPER DI-HARD LINER |
| NATIONAL OILWELL | 350-PT | 20-100-008 | 4 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-008 | 4-1/2 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-008 | 5 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-009 | 5-1/2 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-010 | 5-3/4 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-011 | 6 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-012 | 6-1/2 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 20-100-017 | 7 LINER GASKET |
| NATIONAL OILWELL | 350-PT | 10-305-110 | LINER WEAR PLATE |
| NATIONAL OILWELL | 350-PT | 20-100-014 | LINER WEAR PLATE GASKET |
| NATIONAL OILWELL | 350-PT | 10-305-001 | FRAME END STUDDED- |
| NATIONAL OILWELL | 350-PT | 16-484-101 | CROSSHEAD EXTENSION ROD |
| NATIONAL OILWELL | 350-PT | 45-143-007 | 12 - 13 X 1-3/4 DRILLED. HD. CAPSCREW |
| NATIONAL OILWELL | 350-PT | 16-341-001 | CROSSHEAD EXTENSION BAFFLE |
| NATIONAL OILWELL | 350-PT | 16-486-660 | DIAPHRAGM GASKET |
| NATIONAL OILWELL | 350-PT | 75-634-360 | 5/8 - 11 X 2-1/4 CAPSCREW |
| NATIONAL OILWELL | 350-PT | 75-770-475 | 5 8 LOCK WASHER |
| NATIONAL OILWELL | 350-PT | 10-305-034 | CROSSHEAD GUIDE |
| NATIONAL OILWELL | 350-PT | 86-486-102 | 1/4" STD. C.L. PIPE PLUG |
| NATIONAL OILWELL | 350-PT | 10-305-010 | DIAPHRAGM SUPPORT GASKET |
| NATIONAL OILWELL | 350-PT | 10-305-071 | CROSSHEAD GUIDE SHIM SET |
| NATIONAL OILWELL | 350-PT | 16-335-004 | CROSSHEAD |
| NATIONAL OILWELL | 350-PT | 16-547-006 | CONNECTING ROD W/ CAP (INCL. ITEMS 16, 17 & 56) |
| NATIONAL OILWELL | 350-PT | 16-247-001 | 7/8 - 9 X 8-3/4 SQ. HD. BOLT |
| NATIONAL OILWELL | 350-PT | 75-513-112 | 7/8 - 9 SLOTTED HEAVY. HEX NUT |
| NATIONAL OILWELL | 350-PT | 75-103-008 | 5/32 X 2 COTTER PIN |
| NATIONAL OILWELL | 350-PT | 10-305-015 | OIL SLINGER |
| NATIONAL OILWELL | 350-PT | 64-229-100 | AIR BREATHER |
| NATIONAL OILWELL | 350-PT | 10-305-022 | OIL SCRAPER (FOR L.H. DRIVE PUMP) |
| NATIONAL OILWELL | 350-PT | 10-305-023 | OIL SCRAPER (FOR R.H. DRIVE PUMP) |
| NATIONAL OILWELL | 350-PT | 10-305-140 | FRAME COVER |
| NATIONAL OILWELL | 350-PT | 10-305-058 | OIL SCRAPER GASKET |
| NATIONAL OILWELL | 350-PT | 75-634-313 | 3/8 - 16 X 3/4 CAPSCREW |
| NATIONAL OILWELL | 350-PT | 10-305-011 | SLUDGE TRAP COVER |
| NATIONAL OILWELL | 350-PT | 10-305-102 | CROSSHEAD GUIDE CLAMP |
| NATIONAL OILWELL | 350-PT | 75-770-100 | SPHERICAL WASHER |
| NATIONAL OILWELL | 350-PT | 34-012-005 | 5/8 - 11 X 1-3/4 DRILLED. HD. CAPSCREW |
| NATIONAL OILWELL | 350-PT | 10-305-054 | SLUDGE TRAP COVER GASKET |
| NATIONAL OILWELL | 350-PT | 16-347-002 | CRANKPIN BEARING (2 HALVES) |
| NATIONAL OILWELL | 350-PT | 16-139-000 | CROSSHEAD PIN |
| NATIONAL OILWELL | 350-PT | 16-484-020 | CROSSHEAD PIN BUSHING |
| NATIONAL OILWELL | 350-PT | 10-305-135 | CROSSHEAD PIN RETAINING PLATE |
| NATIONAL OILWELL | 350-PT | 45-143-802 | 5/8 - 11 X 1-1/4 CAPSCREW |
| NATIONAL OILWELL | 350-PT | 86-485-108 | 1" STD. C.L. PIPE PLUG |
| NATIONAL OILWELL | 350-PT | 45-803-856 | SIDE PLATE GASKET |
| NATIONAL OILWELL | 350-PT | 75-510-308 | 1/2 - 13 HEAVY. HEX NUT |
| NATIONAL OILWELL | 350-PT | 10-305-125 | SIDE PLATE |
| NATIONAL OILWELL | 350-PT | 10-305-106 | FRAME END PLATE |
| NATIONAL OILWELL | 350-PT | 45-803-857 | FRAME END PLATE GASKET |
| NATIONAL OILWELL | 350-PT | 59-800-016 | NO. 16 GAUGE LOCKING WIRE |
| NATIONAL OILWELL | 350-PT | 10-305-028 | FLUSHING SUMP COVER |
| NATIONAL OILWELL | 350-PT | 16-484-1 14 | EXTENSION ROD CLAMP COMPLETE (INCL. ITEMS 44 & 45) |
| NATIONAL OILWELL | 350-PT | 75-074-694 | 5/8 - 11 X 6 HEX HD. BOLT |
| NATIONAL OILWELL | 350-PT | 75-509-013 | 5/8 - 11 ELASTIC STOP NUT |
| NATIONAL OILWELL | 350-PT | 75-633-195 | 1/2 - 13 X 1-1/4 F.H. MACHINE SCREW |
| NATIONAL OILWELL | 350-PT | 75-510-506 | 1/2 - 13 HEX JAM NUT |
| NATIONAL OILWELL | 350-PT | 16-483-629 | CROSSHEAD SHOE |
| NATIONAL OILWELL | 350-PT | 86-485-112 | 1-1/2" STD. C.L. PIPE PLUG |
| NATIONAL OILWELL | 350-PT | 86-485-104 | 1 '2" STD. C.L. PIPE PLUG |
| NATIONAL OILWELL | 350-PT | 86-424-001 | 1/2" X CLOSE STD. B.P. NIPPLE |
| NATIONAL OILWELL | 350-PT | 78-101-132 | 1/2" BRASS STOP COCK |
| NATIONAL OILWELL | 350-PT | 75-770-474 | 1 '2 LOCK WASHER |
| NATIONAL OILWELL | 350-PT | 75-770-203 | 3/8 PLAT WASHER |
| NATIONAL OILWELL | 350-PT | 86-424-403 | 1/2" X 1-12" STD. B.P. NIPPLE (THREAD ONE END) |
| NATIONAL OILWELL | 350-PT | 75-555-770 | 1/2 X 2 DOWEL PIN |
| NATIONAL OILWELL | 350-PT | 16-483-825 | CROSSHEAD SHOE SHIMS (APPROX. 1/32" THICK) |
| NATIONAL OILWELL | 350-PT | 16-566-005 | DIAPHRAGM HOUSING (INCLUDES ITEMS 10 AND II) |
| NATIONAL OILWELL | 350-PT | 16-566-010 | DIAPHRAGM WASHER |
| NATIONAL OILWELL | 350-PT | 16-566-008 | SHIM SET (EACH SET 1/32 THICK) |
| NATIONAL OILWELL | 350-PT | 16-566-009 | DIAPHRAGM GLAND |
| NATIONAL OILWELL | 350-PT | 16-566-013 | WIPER RING |
| NATIONAL OILWELL | 350-PT | 16-566-002 | WIPER RING |
| NATIONAL OILWELL | 350-PT | 16-566-012 | LANTERN RING |
| NATIONAL OILWELL | 350-PT | 16-566-011 | O-RING RETAINER |
| NATIONAL OILWELL | 350-PT | 99-607-314 | O-RING (3-7/8 X 4-1/4 X 3/16) |
| NATIONAL OILWELL | 350-PT | 49-002-925 | 1/2 - 13 X 2 STUD |
| NATIONAL OILWELL | 350-PT | 75-509-994 | 1/2 - 13 LOCKNUT |
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Disclaimers:
American Oil Tools,
Inc. is not an authorized agent or sales representative of National
Oilwell©.
American Oil Tools does not sell, or offer to sell, National Oilwell
Varco products.
American Oil Tools is an oilfield equipment supplier for valves, mud pump spares, blowout preventer parts, drilling equipment, downhole tools, blowout preventer spares and mud pump consumables.