Mud Pump Parts / MODEL RANGE

12P160 Mud Pump Spare Parts

Pratt Oil supplies a complete range of spare parts for National 12P160 triplex mud pumps used in oil and gas drilling operations.

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12P160 pump equipment reference
12P160 equipment reference · Replacement parts matched to your configuration

MAINTENANCE / REPAIR / OVERHAUL

Replacement parts we supply

  • Fluid end modules
  • Liners and pistons
  • Valves and valve seats
  • Piston rods and extension rods
  • Crossheads and guides
  • Crankshafts and pinion shafts
  • Connecting rods and bearings
  • Valve covers and liner retainers
  • Discharge and suction manifold parts
  • Seals, gaskets, and repair kits

PART NUMBERS / TECHNICAL REFERENCE

12P160 parts reference

Confirm part numbers, dimensions and equipment configuration before ordering.

Use this reference to prepare your inquiry. Availability and compatibility are confirmed with your quotation.

327 parts in this reference

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12P160 parts reference
Part numberDescription
1292243MODULE STUDDED, SUCTION (INCLS. ITEMS 1 THRU 3)
015180102CUP ASSEMBLY, 4" *
1292604MODULE STUDDED, PREMIUM SUCTION (INCLS. ITEMS 1 THRU 3)*
015180144CUP ASSEMBLY, 4-1/2" *
1292244MODULE, SUCTION
015180185CUP ASSEMBLY, 5" *
1292603MODULE, PREMIUM SUCTION *
015180227CUP ASSEMBLY, 5-1/2" *
2408049STUD, 1-1/2" X 9-7/8" LG. TOP TAPER LOCK
015180268CUP ASSEMBLY, 6" *
6300240NUT, 1-1/2" HEAVY HEX
015180284CUP ASSEMBLY, 6-1/4" *
1292240MODULE STUDDED, DISCHARGE (INCLUDES ITEMS 4 THRU 12)
015180300CUP ASSEMBLY, 6-1/2" *
1292601MODULE STUDDED, PREMIUM DISCHARGE (INCLUDES ITEMS 4 THRU 12)*
015180326CUP ASSEMBLY, 6-3/4" *
1292241MODULE, DISCHARGE
015180342CUP ASSEMBLY, 7" *
1292600MODULE, PREMIUM DISCHARGE *
015180359CUP ASSEMBLY, 7-1/4" *
2408028STUD, 1-1/8" X 6-3/8" LG. TOP TAPER LOCK
05-468-400LINER, 4"*
2408029STUD, 1-3/8" X 6-3/4" LG. TOP TAPER LOCK
05-468-450LINER, 4-1/2"*
2408033STUD, 1-3/4" X 21-1/8" LG. BOTTOM TAPER LOCK
05-468-500LINER, 5"*
6300180NUT, 1-1/8" HEAVY HEX
05-468-550LINER, 5-1/2"*
6300220NUT, 1-3/8" HEAVY HEX
05-468-600LINER, 6"*
6300281NUT, 1-3/4" - 8 UNC HEAVY HEX
05-468-625LINER, 6-1/4"*
1292354KIT, FAST CHANGE SCREW TYPE VALVE COVER (CONSISTS OF ITEMS 2, 3, 5, 11, 13, 14, 15, 20, 21, 23 & 24)
05-468-650LINER, 6-1/2"*
1292351RING, THREADED
05-468-675LINER, 6-3/4"*
1292352COVER, VALVE
05-468-700LINER, 7"*
1292353PULLER, SEAL RETAINER
05-468-725LINER, 7-1/4"*
1292350RETAINER, SEAL
1540120GASKET, 4" LINER PACKING †
1540127SEAL, VALVE RETAINER
1540120GASKET, 4-1/2 LINER PACKING †
1560702SPRING, VALVE
07-923-265GASKET, 5" LINER PACKING †
1292140HOLDER, VALVE GUIDE INSERT
07-923-263GASKET, 5-1/2" LINER PACKING †
1292141INSERT, VALVE GUIDE
07-923-261GASKET, 6" LINER PACKING †
1560985"G2" VALVE COMPLETE WITH POLYURETHANE DISC* (INCLS. ITEMS 25 THRU 27)
07-923-283GASKET, 6-1/4" LINER PACKING †
1560984"G2" VALVE COMPLETE WITH HYCAR DISC* (INCLUDES ITEMS 25 THRU 27)
07-923-284GASKET, 6-1/2" LINER PACKING †
1560557DISC (POLYURETHANE), VALVE*
07-923-287GASKET, 6-3/4" LINER PACKING †
1560558DISC (HYCAR), VALVE*
07-923-285GASKET, 7" LINER PACKING †
1560706LOCK, VALVE
1540154GASKET, 7-1/4" LINER PACKING †
1560705RING, SNAP
1292120SPRAY SYSTEM, LINER (SEE PAGE 4)
1561440SEAT, VALVE
1292147ROD, PISTON (INCLUDES ITEM 44)
1540851SEAL, SUCTION MANIFOLD
005-402-052NUT, 1-1/2" - 8 ELASTIC STOP
1292173MANIFOLD, FRONT SUCTION *
1292146ROD, PISTON SUB
1292312MANIFOLD, SIDE INLET SUCTION (SEE PAGE 8)*
1292166CLAMP COMPLETE, LINER (INCLUDES ITEMS 48 THRU 51)
6514116PIN, 7/8" X 2" LG. DOWEL
1292167CLAMP, LINER
1292257SEAL
G-1292168-PCONNECTION
1292266PLATE, WEAR
1292169PIN
7000485-11CAPSCREW, 7/8" X 3" LG. GRADE 5 CAD. PLTD. HEX HEAD
6571620PIN, 1/4" X 1-1/4" SPRING
7500065VALVE (SET AT 70 P.S.I.), SUCTION RELIEF *
6309140NUT, 7/8" HEX LOCK
1292243MODULE STUDDED, SUCTION (INCLUDES ITEMS 1 THRU 3)
7000491-10CAPSCREW, 7/8" X 4-1/2" HEX HEAD GR5
1292604MODULE STUDDED, PREMIUM SUCTION (INCLUDES ITEMS 1 THRU 3)*
1292085CLAMP COMPLETE, ROD (INCLUDES ITEMS 53 THRU 54)
2408027STUD, 1-1/2" X 7-7/8" TOP TAPER LOCK
7619058WASHER, 5/8" LOCK
2408028STUD, 1-1/8" X 6-3/8" TOP TAPER LOCK
6309100NUT, 5/8" HEX LOCK
2408029STUD, 1-3/8" X 6-3/4" TOP TAPER LOCK
7000400-11CAPSCREW, 5/8" X 2-3/4" CAD PLT GR5 HEX HEAD
2408033STUD, 1-3/4" X 21-1/8" BOTTOM TAPER LOCK
6300041NUT, 1/4" HEX CAD PLT
6300180NUT, 1-1/8 HEAVY HEX
7000124-11CAPSCREW, 1/4" X 5" HEX HEAD CAD PLT GR5
6300220NUT, 1-3/8 HEAVY HEX
7621006WASHER, 1/4" TYPE "A" CAD PLT
6300240NUT, 1-1/2 HEAVY HEX
6310040NUT, 1/4" FLEXLOC
6300281NUT, 1-3/4 - 8 UNC HEAVY HEX
1292120SPRAY SYSTEM, LINER (CONSISTS OF THE FOLLOWING)
1292176RING, THREADED
1292184MANIFOLD, SPRAY (INCLUDES ITEMS 2 THRU 7)
1292177COVER, VALVE
G-7818256SCREW, 3/8" - 16 X 1-3/4" STAINLESS STEEL THUMB
1292171WASHER
1291193NOZZLE, SPRAY
1292178SCREW
7006204-30CAPSCREW, 3/8" X 1/2" STAINLESS STEEL SOCKET HEAD
6300182NUT, 1-1/8 - 12 HEAVY HEX
7804075ELBOW, 1/2" X 90° 150# STAINLESS STEEL STREET
G-1292268WEDGE, LOCKING (INCLUDES ITEMS 18 AND 19)
7815099PLUG, 1/2 150# STAINLESS STEEL HEX HEAD PIPE
1292179WEDGE
7813050NUT, 3/8" - 16 STAINLESS STEEL WING
1292181SPRING, WEDGE RETAINING
G2400075HOSE, 1/2" X 16-1/2"
1292174RETAINER, VALVE
6800083BUSHING, 1" X 1/2" M.I. HEX PIPE
1560985"G2" VALVE COMPLETE WITH POLYURETHANE DISC* (INCLUDES ITEMS 25 THRU 27)
6829004ELBOW, 1/2" X 90° 150# M.I. STREET
1292312MANIFOLD, SIDE INLET SUCTION - SEE PAGE 8*
7815094PLUG, 1/2" M.P.T. QUICK CONNECT
6514116PIN, 7/8" X 2" DOWEL
7818282SOCKET, 1/2" F.P.T. QUICK CONNECT
7000485-11CAPSCREW, 7/8" X 3" HEX HEAD CAD PLT GR5
1275157COVER, INSPECTION
6829016ELBOW, 2" X 90° 150# M.I. STREET
1275158GASKET, INSPECTION COVER
6309140NUT, 7/8 HEX LOCK
1283190PLATE, CLEAN-OUT
7000491-10CAPSCREW, 7/8 X 4-1/2 HEX GR5
1283191GASKET, CLEAN-OUT PLATE
1292258SEAL
1284106GASKET, OIL GAUGE
1292130COVER COMPLETE, ROD CHAMBER (INCLUDES ITEMS 65 THRU 67)
1290251SCREW, OIL PASSAGE
1292339COVER, ROD CHAMBER
1291074BOLT, HOOK
1290406HINGE
1292009RETAINER, OIL WIPER
7041102SCREW, 1/4-20 X 3/8 FLAT HEAD MACHINE
1292016SHIELD, INTERMEDIATE ROD OIL
5912391FLANGE, WELD NECK RING JOINT DBL. X 5" A.P.I. 5000#*
1292023PLATE, RETAINER
5912392FLANGE, BLIND RING JOINT 5" A.P.I. 5000#*
1292269SPACER, OIL WIPER
7178025SCREW, NO. 2 X 1/4 ROUND HEAD TYPE "U" DRIVE
1292064GASKET, WRENCH HOLE
6908040RING, R44-S OVAL JOINT
1292069BRACE, OIL TROUGH
7006685CAPSCREW, 1-1/2 X 3" SOCKET HEAD
1292070TROUGH (LEFT HAND), PINION OIL
1292262SPACER STUDDED, DISCHARGE (INCLUDES ITEMS 72 THRU 74)
1292071TROUGH (RIGHT HAND), PINION OIL
1292246SPACER
1292072WIPER (LEFT HAND), PINION OIL
2408015STUD, 1-1/2 X 7-1/2 BOTTOM TAPER LOCK
1292073WIPER (RIGHT HAND), PINION OIL
1292252CONNECTOR
1292075COVER, TOP ACCESS
1292253ADAPTER
1292076GASKET, TOP ACCESS COVER
1292175RING, BACK-UP
1292077COVER, WRENCH HOLE
7000307-11CAPSCREW, 1/2 X 2" HEX HEAD CAD PLT GR5
1292079GASKET, OIL WIPER
7619050WASHER, 1/2 SPRING LOCK
1292080RAIL, SUMP SUPPORT
G-2407274PLATE, WARNING
1292082WIPER (LEFT HAND), GEAR AND PINION
2410031-437PACKING
1292083ROD, INTERMEDIATE
2410031-433PACKING
1292089TROUGH (LEFT HAND), CROSSHEAD LUBE OIL
2407142PLATE, VALVE COVER INSTRUCTION
1292092WIPER (RIGHT HAND), GEAR AND PINION
1292165BUSHING, LINER
1292095GASKET, MAIN FRAME COVER
1292194BAFFLE, FLUID
1292110COVER (CENTER), WRENCH HOLE
012180170PISTON COMPLETE, 4" (SERIES "A")
1292114PLATE, OIL GAUGE
012180196PISTON COMPLETE, 4-1/2 (SERIES "B")**
1292182WIPER, INTERMEDIATE ROD OIL
012180253PISTON COMPLETE, 5" (SERIES "B")**
1292227GASKET, OIL WIPER RETAINER
012180337PISTON COMPLETE, 5-1/2 (SERIES "B")**
1292282SUMP, LUBE OIL (INCLUDES ITEMS 114 AND 118)
012180394PISTON COMPLETE, 6" (SERIES "C")**
1292295STRAINER, LUBE SUMP
012180493PISTON COMPLETE, 6-1/4" (SERIES "C")**
2400029DIPSTICK, OIL LEVEL
012180535PISTON COMPLETE, 6-1/2" (SERIES "C")**
2400040SCREW, 3/8" X 3/4" DRILLED HEAD
012180600PISTON COMPLETE, 6-3/4" (SERIES "C")**
2407100PLATE, NAME AND INSTRUCTION
012180618PISTON COMPLETE, 7" (SERIES "C")**
6300081NUT, 1/2" CAD PLATED HEX
012180642PISTON COMPLETE, 7-1/4" (SERIES "C")**
7000397-11CAPSCREW, 5/8" X 2" CAD PLT HEX HEAD GR5
6310040NUT, 1/4" - 20 UNC FLEXLOC
6310060NUT, 3/8" - 16 UNC FLEXLOC
6320062NUT, 3/8" - UNC HEX JAM
6541612PIN, 1/4" X 1-1/2
6800163BUSHING, 2" X 1" C.I. 150# BLK HEX PIPE
1286230RETAINER (OUTER), CONNECTING ROD BEARING
7000114-11CAPSCREW, 1/4" X 2-1/2" CAD PLT HEX HEAD GR5
YS-10004SEAL, PINION BEARING OIL
7000208-11CAPSCREW, 3/8" X 1" CAD PLT HEX HEAD GR5
1292020RETAINER, PINION BEARING SEAL
7000213-11CAPSCREW, 3/8" X 2-1/4" CAD PLT HEX HEAD GR5
1292097GASKET, BEARING RETAINER
7000210-11CAPSCREW, 3/8" X 1-1/2" CAD PLT HEX HEAD GR5
1292113COVER, CROSSHEAD HAND HOLE
7000303-11CAPSCREW, 1/2" X 1" CAD PLT HEX HEAD GR5
1292010PINION (41 TEETH)
7000304-11CAPSCREW, 1/2" X 1-1/4" CAD PLT HEX HEAD GR5
2405016SCREW, 3/4" X 2" DRILLED HEAD
7000309-11CAPSCREW, 1/2" X 2-1/4" CAD PLT HEX HEAD GR5
ZB-10236BEARING, PINION
7000612-10FCAPSCREW, 1-1/4" - 12 X 4-1/2" HEX HEAD GR5
7000396-11CAPSCREW, 5/8" X 1-3/4" CAD PLT HEX HEAD GR5
7027393SCREW, 5/8" X 1" CUP POINT SOCKET HEAD
7621044WASHER, 3/4" TYPE "A" CAD PLT
7802020BREATHER
7618022WASHER, 5/8 STAT-O-SEAL
7805052FITTING, 1/8" HYDRAULIC GREASE
ZB-8253BEARING, CROSSHEAD PIN
7805062FITTING, 1/8" X 45° ELBOW BODY GREASE
1287109RING, CROSSHEAD PIN BEARING SNAP
7815057PLUG, 1" MAGNETIC POST
1290114SHIM, CROSSHEAD PIN RETAINER
7817170GASKET, 3/16 X 2" X 24" SPONGE RUBBER
1292028PIN, CROSSHEAD
6874012PLUG, 1-1/2" C.I. SOLID SQUARE HEAD PIPE
1292112RETAINER, CROSSHEAD PIN
G-1292139PLATE, OIL WIPER RETAINING
5506714BOLT, 3/4" X 2-1/2" PLACE
G-7061091-17SCREW, NO. 10-24 X 5/8" ZINC PLT HEX HEAD MACHINE
6912019RING, RETAINING
7619025WASHER, NO. 10 CAD PLT SPRING LOCK
2402470CAPSCREW, 3/4" X 3" DRILLED HEX HEAD
6974016PLUG, 2" C.I. SOLID SQUARE HEAD PIPE
7619068WASHER, 3/4" EXTRA DUTY SPRING
1282036HOSE, 1" X 30"
1290089CONDUCTOR, OIL
6829008ELBOW, 1" X 90° M.I. STREET
1292015CROSSHEAD, RIGHT HAND AND CENTER
ZT-15000BEARING, MAIN
1292090CROSSHEAD, LEFT HAND
1283147SHIM (.005" THICK), BEARING SUPPORT
6875003PLUG, 3/8" COUNTERSUNK PIPE
1283148SHIM (.007" THICK), BEARING SUPPORT
1292018CAGE (LEFT HAND), PINION BEARING
1292011CAGE, MAIN BEARING
1292019CAGE (RIGHT HAND), PINION BEARING
1292012CAP, MAIN BEARING END
1292027PLATE, PINION BEARING CAGE
1292021RING, MAIN BEARING LOCK
2402680CAPSCREW, 5/8" X 2" DRILLED HEX HEAD
1292022PLATE, MAIN BEARING RETAINER
7600040WASHER, 5/8" TYPE "A"
1292081RETAINER, MAIN BEARING CAGE OIL
X12-2537CAP, PINION SHAFT ††
1292096GASKET, MAIN BEARING END CAP
1292017LINER, CROSSHEAD
1292104SHIM, (.020" THICK), MAIN BEARING LOCKING RING (YELLOW)
1292368STABILIZER ASSEMBLY, SUCTION (CONSISTS OF THE FOLLOWING)
1292105SHIM, (.0075" THICK), MAIN BEARING LOCKING RING (CLEAR)
98-055-032TEE, 10" SCH. 40 WELDING
1292106SHIM, (.005" THICK), MAIN BEARING LOCKING RING (BLUE)
5902487FLANGE, 10" ANSI CLASS 150# R.J. WELD NECK STD. WT.
1292152SHIM, (.0625" THICK), MAIN BEARING RETAINER PLATE
98-052-100REDUCER, 12" X 10" STD. WT. CONCENTRIC
1292153SHIM, (.020" THICK), MAIN BEARING RETAINER PLATE
6709658BPIPE, 12" STD. WEIGHT
1292154SHIM, (.005" THICK), MAIN BEARING RETAINER PLATE
98-012-034CAP, 12" STD. WEIGHT
1292005CRANKSHAFT (INCLUDES 4 OF ITEM 132)
78-105-206COUPLING, 3/4" 3000# HALF
2400690SCREW, 3/8" X 1" DRILLED HEAD
78-105-204COUPLING, 1/2" 3000# HALF
2402180SCREW, 1" X 3" DRILLED HEAD
86-424-001NIPPLE, 1/2" X CLOSE SCH. 40 BW STEEL PIPE
2405024SCREW, 1-3/8" X 3-1/2" DRILLED HEAD
78-179-004ELBOW, 1/2" X 90 DEG. 3000# STREET
5506202BOLT, 3/8" X 3/4" PLACE
78-101-081VALVE, 1/2" BALL
6310360NUT, 2-1/4" - 8 UNC FLEXLOC
86-425-013NIPPLE, 3/4" X 4" SCH. 40 BW STEEL PIPE
7400842TUBING, 1/2" O.D. X 19" SMLS. STEEL
78-101-082VALVE, 3/4" BALL
7600024WASHER, 3/8" TYPE "A"
1292369STABILIZER ASSEMBLY, SUCTION (CONSISTS OF THE FOLLOWING)
7804146ELBOW, 1/2" T. X 3/8" P.T. X 90° MALE COMPRESSION
5902487FLANGE, 10" 150# R.J. WELD NECK
G-7804202ELBOW, 1/2" T. X 3/8" P.T. X 45° MALE COMPRESSION
98-016-232ELBOW, 10" X 90 DEG. SCH. 40 LONG RADIUS
1292024BOLT, MAIN BEARING SUPPORT
98-052-100REDUCER, 12" X 10" SCH. 40 CONCENTRIC
1292006BOLT, CRANKSHAFT GEAR
78-012-034CAP, 12" STD. WEIGHT
1292008GEAR (141 TEETH), CRANKSHAFT
1292312MANIFOLD WITH DAMPER, DOUBLE SIDE INLET SUCTION (CONSISTS OF THE FOLLOWING)
6310181NUT, 1-1/8" - 7 UNC FLEXLOC
1292313MANIFOLD, DAMPER
ZB-28515BEARING, CONNECTING ROD
5902485FLANGE, 10" A.S.A. 150# RING JOINT BLIND
6908046RING, R52-S OVAL JOINT
6300149NUT, 7/8" CAD PLT HEX
1290195DIAPHRAGM
1290196SPACER
1290197COVER
1290198RETAINER
1290199GASKET
1290228GUARD
2407136PLATE, INSTRUCTION
7178025SCREW, NO. 2" X 1/4" TYPE "U" ROUND HEAD DRIVE
2410031-024PACKING
7000361-11CAPSCREW, 9/16" X 4" CAD PLT HEX HEAD GR5
7500021VALVE, CHECK
7600036WASHER, 9/16" TYPE "A"
7500396VALVE, 1/4" RELIEF
7815106PLUG, SIGHT
6817124NIPPLE, 2" X 5-1/2" STD. BW PIPE **
6874016PLUG, 2" C.I. SOLID SQUARE HEAD PIPE **
6888016TEE, 2" 150# M.I. PIPE **

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