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. | PART NO. | 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 STYLE |
| SOUTHWEST (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 JAW | ||
| FULL OPEN-ROUGHNECK (High Temp) | SWND-7V2HC | SW5710-115L | SWND-7S12 | SWND-7PH SWTM40-SN | PANCAKE SPLIT JAW | ||
| FULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) | SWND-7V1 | SWND-7I | SW5710-115L | SWND-7S12 | SWND-7PH SWTM40-SN | PANCAKE SPLIT JAW | |
| 3 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 | ||