| NATL C-250 (FORGED) DUPLEX MUD PUMPS 71/4×15 |
| | LINERS | LINER PACKING | PISTONS | PISTON REPLACEMENT RUBBERS |
| SIZE | SUPREME | SUPER SERVICE | ASSEMBLY | SUPREME SERIES B 3″ HUB | FLEXLIP | SUPREME SERIES L 3 3/4″ HUB | SUPREME SERIES B 3″ ID | SUPREME SERIES L 3 3/4″ ID |
| 4″ | PPNO05453400 | | PPNO 07918212 | | | | | |
| 41/4″ | | | | | | | | |
| 41/2″ | PPNO 05453450 | | PPNO 07918212 | | | | | |
| 4 3/4″ | | | | | | | | |
| 5″ | PPNO05453500 | PPNO 1002759 | PPNO07918212 | PPNO012104659 | PPNO011100906 | | PPNO015100407 | |
| 5 1/4″ | | | | | | | | |
| 5 1/2″ | PPNO 05453550 | PPNO 100113000 | PPNO 07918212 | PPNO012105102 | PPNO011101003 | | PPNO 015100803 | |
| 5 3/4″ | | | | | | | | |
| 6″ | PPNO05453600 | PPNO 1002775 | PPNO 07918212 | PPNO012105508 | PPNO 011101102 | | PPNO 015101405 | |
| 6 1/4″ | | | | | | | | |
| 6 1/2″ | PPNO 05453650 | PPNO 1002783 | PPNO 07918212 | PPNO012105854 | PPNO 011101201 | | PPNO 015102007 | |
| 6 3/4″ | | | | | | | | |
| 7″ | PPNO05453700 | PPNO 1002791 | PPNO 07918212 | PPNO012106308 | | | PPNO 015102403 | |
| 7 1/4″ | PPNO 05453725 | PPNO 1010123 | PPNO 07918212 | PPNO012106506 | | | PPNO 015102601 | |
| VALVES, SEATS, SPRINGS & INSERTS | GASKETS & ROD PACKING |
| | ROUGHNECK | ROUGHNECK HP | SUPREME | FKN | | OEM | | L STYLE |
| VALVE-White Lightning Insert | PPNO9700369 | | | N/A | Valve Cover | PPNO 07916705 | | |
| VALVE-Urethane Insert | PPNO9700382 | | PPNO 060140100 | PPNO 1560965 | Cylinder Head | PPNO 07916565 | | PPNO 07207121 |
| VALVE-Rubber Insert | N/A | | PPNO 060112059 | PPNO 1560964 | Plug Seal | | | PPNO 07207127 |
| SEAT | PPNO9702652 | | PPNO061100608 | PPNO1561350 | Rod Packing | PPNO 07915018 | | |
| SPRING | PPNO 055407803 | | PPNO 055408603 | PPNO 1560703 | Liner Seal | PPNO 07918229 | | |
| SPRING-Stainless | | | | | Lantern Ring | PPNO 07919117 | | |
| INSERT-Urethane | PPNO 9705236 | | PPNO 062400536 | PPNO 1560567 | Gland Bushings, Junk Rings, & Lug Nuts |
| INSERT-Rubber | N/A | | PPNO 062400437 | PPNO 1560568 | Split Gland | Solid Gland | Junk Ring | Lug Nut |
| LINER & SEAT PULLER ASSEMBLIES | | PPNO1590105 | PPNO 1590108 | PPNO 1522582 |
| Puller Assembly | PPNO M1060 | PPNO M1060 | PPNO M1060 | PPNO M1060 | | |
| Puller Head | PPNO8402256 | | PPNO181235706 | PPNO M1087 | | |
| Liner Puller | PPNO 1320003 (5-6) | PPNO 1320009 (6-7) | | | | | | |
| Piston Rods & Crosshead Extension Rods |
| Piston Rod | Crosshead Rod | Rod Taper | Rod Nut | | | | | |
| PPNO 1550255 | PPNO 1602454 | PPNO API 5 | PPNO 7403402 | | | | | |
