SOUTHWEST MUD PUMP PARTS LIST
8476-A_NATIONAL_12-P-160_Old_Style_5000PSI
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST (OLD STYLE) NATIONAL 12-P-160 7-1/2” X 12”
ITEM
NO.
PARTNO.
DESCRIPTION QTY.REQ，D
8476-A FLUID END ASSEMBLY: (CONSISTS OF ITEMS 3,4,16,17,18,19, 20, 21,22,23,24,25,26,27,28,29,31,32,33,34,&47) 1 1376YXX LINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX)) 3
2 2930-XX LINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX)) 3
3 8476-3 WEARPLATE 3
4 2988 WEARPLATE AND MODULE SEAL 6
5 XX-BYY PISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY)) 3
6 568-225 PISTON O-RING 3
7 1286-32 PISTON ROD (WITH ELASTIC STOP NUT) 3
8 API-4ESN PISTON ROD ELASTIC STOP NUT 3
9 1286-1 SUB ROD 3
10 1286CWY ROD CLAMP (CONSIST OF 10A, 10B, 10C) (FOR CLAMP ONLY, USE 1286C) 6
10A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
10B 1200140 PIPE 3
10C 4018-92 ROD CLAMP BOLT (7/8 x 5” grade 8 bolt with lock nut and washer) 12
11 1200G86 PONY ROD 3
12 SEE PAGE VALVE 6
13 SEE PAGE VALVE INSERT (IF required) 6
14 SEE PAGE VALVE SPRING 6
15 SEE PAGE VALVE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools page of catalog for details)
4476-2A SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY (consists of items 16-23) 6
16 4476 THREADED FLANGE 6
17 4597 SCREW GLAND 6
18 4676-2A PLUG (COMPLETE WITH VALVE GUIDE, SCREWS, AND BUSHING) 6
19 P107 HP VALVE COVER PLUG SEAL 6
20 4776R VALVE GUIDE (complete with bushing #47001) 6
21 4700I VALVE GUIDE BUSHING 6
22 4016-98 VALVE GUIDE SCREW 12
23 4015-54 VALVE COVER STUD (WITH SW PART# HHN1500-6 1-1/2-6” HEAVY HEX NUT) 72
24 4015-95 POWER END STUD (WITH SW PART# HHN1375-6 1-3/8”6 HEAVY HEX NUT) 30
25 4017-65 LINER RETAINER FERRY HEAD CAP SCREW 18
26 6476 LINER RETAINER FLANGE 3
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST (OLD STYLE) NATIONAL 12-P-160 7-1/2” X 12”
ITEM PART NO. DESCRIPTION QTY.
NO. REQ，D
27 LINER RETAINER NUT 3
28 SUCTION MODULE STUD (WITH SW PART# HHN1750-6 1-3/4”-6 HEAVY HEX NUT) 18
29 4018-19 SUCTION MANIFOLD CAP SCREW (with lock washer) 24
30 8576-50 SUCTION MANIFOLD (front or side inlet) 1
31 AJO419R SUCTION MANIFOLD GASKET 3
32 8476-2S SUCTION MODULE (STUDDED ONLY) 3
33 8476-1D DISCHARGE MODULE (studded ONLY) 3
34 8488-5 DOWEL PIN 6
ITEMS NUMBERS 35 THRU 46 ARE NOT SHOWN INTENTIONALL Y
47 4018-18 DISCHARGE CONNECTOR CAP SCREW (with lock washer) 16
48 4018-39 DISCHARGE SPACER FLANGE SOCKET HEAD CAP SCREW 16
49 8376-1 DISCHARGE CONNECTOR 2
50 8376-2 DISCHARGE ADAPTER 2
51 8376-3 BACK-UP RING 4
52 8376-4 DISCHARGE SPACER FLANGE 2
53 2976-3 DISCHARGE SPACER FLANGE SEAL 2
54 2976-1 DISCHARGE CONNECTOR / ADAPTER PACKING 2
55 2976-2 DISCHARGE CONNECTOR / ADAPTER PACKING 4
56 R44D RING JOINT GASKET 2
57 4017-22 DISCHARGE SPACER FLANGE STUD (with sw part# HHN1500-6 1-i/2”-6 heavy hex nut) 16
58 5000-5BFLANGE BLIND FLANGE 5″ 1
59 9070012 PONY ROD SEAL 12
60 80491292 SPLASH GUARD 3
61 8376-50A COMPLETE STRAINER CROSS 1
62 8376-50 STUDDED STRAINER CROSS ONLY 1
SOUTHWEST 5000 PSI 12-P-160 GUIDE TO ORDERING
PISTONS LINERS LINER GASKETS
SIZE FAIL-SAFE DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4丨丨 76BFS 76BDD 76BBC 1376G06 2930-06 2930-06U
4 1/2″ 78BFS 78BDD 78BBC 1376G08 2930-08 2930-08U
4 3/4″ 79BFS 79BDD 79BBC 1376G09 2930-09
5″ 81BFS 81BDD 81BBC 1376G1 1376ZIR1 2930-1 2930-1U
5 1/4″ 82BFS 82BDD 82BBC
5 1/2″ 83BFS 83BDD 83BBC 1376G3 1376ZIR3 2930-3 2930-3U
5 3/4″ 84BFS 84BDD 84BBC 1376G4 2930-4 2930-4U
6″ 85BFS 85BDD 85BBC 1376G5 1376ZIR5 2930-5 2930-5U
6 1/4″ 86BFS 86BDD 86BBC 1376G6 1376ZIR6 2930-6 2930-6U
6 1/2″ 87BFS 87BDD 87BBC 1376G7 1376ZIR7 2930-7 2930-7U
6 3/4″ 88BFS 88BDD 88BBC 1376G8 2930-8 2930-8U
7″ 89BFS 89BDD 89BBC 1376G9 1376ZIR9 2930-9 2930-9U
7 1/4″ 91BFS 91BDD 91BBC 1376G10 1376ZIR10 2974-11 2974-11U
7 1/2″ 92BFS 92BDD 92BBC 1376GS11 2974-11 2974-11U
VALVES & SEATS (OLD STYLE 12-P-160)
TYPE VALVE INSERT SPRING STAINLESS
SPRING
SEAT PULLER HEAD PULLER HEAD STYLESOUTHWEST (Full Open) 777-8B N/A 941 877-8 SWTM4250 SPLIT JAW
FULL OPEN-ROUGHNECK SWND-7V2 SW5710-115L SWND-7S12 SWND-7PH
SWTM40-SN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (High Temp) SWND-7V2HC SW5710-115L SWND-7S12 SWND-7PH
SWTM40-SN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-7V1 SWND-7I SW5710-115L SWND-7S12 SWND-7PH
SWTM40-SN
PANCAKE SPLIT JAW3 WEB DOUBLE ANGLE O-RING SWR0500110 SWR0514275 SWR0513744 SWR0514790 SWR0514299 SWTM3-7T 3 J HOOK
3 WEB (High Temp) SWR0520502 SW0520501 SWR0513744 SWR0514790 SWR0514299 SWTM3-7T
3 WEB STANDARD PLATE SWR0505062 SWR0504893 SWR0513937 SWR0514423 SWR0514299 SWTM3-7T
4 WEB SWU5C-EEF SWUDD-7B SW5710-115 SW7DD-B12 SWTM4-7 4 J HOOK
4 WEB (High Temp) SWU5C-EEFHT SWUDD-7BHT SW5710-115 SW7DD-B12 SWTM4-7