NATIONAL 12-P-160 FLUID END MODULE AND ACCESSORIES
 
| Item | Part No. | Description | Qty per Pump | 
| 1 | MK-1292240 | Discharge Module, Studded (Included Items 2 – 10) | (3) | 
| 2 | MK-1292241 | Discharge Module, Only | 3 | 
| 3 | MK-6300220 | Nut – Frame | 30 | 
| 4 | MK-2408029 | Stud – Frame | 30 | 
| 5 | MK-6300180 | Nut – Liner Bushing | 18 | 
| 6 | MK-2408028 | Stud – Liner Bushing | 18 | 
| 7 | MK-6300281 | Nut – Suction to Discharge Module | 18 | 
| 8 | MK-2408033 | Stud – Suction to Discharge Module | 18 | 
| 9 | MK-6300240 | Nut – Threaded Ring | 72 | 
| 10 | MK-2408027 | Stud – Threaded Ring | 72 | 
| 11 | MK-1292243 | Suction Module, Studded (Included Items 9, 10, 12) | (3) | 
| 12 | MK-1292244 | Suction Module, Only | 3 | 
| 15 | MK-1292165 | Bushing – Liner | 3 | 
| 16 | MK-1292174 | Seal Retainer | 6 | 
| 17 | MK-1292172 | Valve Cover | 6 | 
| 18 | MK-1292178 | Screw – Wedge Adjusting | 6 | 
| 19 | MK-6300182 | Nut – Wedge Adjusting | 6 | 
| 20 | MK-1292171 | Washer – Wedge Adjusting | 6 | 
| 21 | MK-1292176 | Thread Ring | 6 | 
| 22 | MK-1292268 | Wedge Assembly | 6 | 
| 23 | MK-1540127 | Gasket – Valve Cover | 6 | 
| 24 | MK-1292140 | Holder – Valve Guide | 6 | 
| 25 | MK-1292141 | Insert – Valve Guide | 6 | 
| 26 | MK-6511416 | Pin, Dowell | 6 | 
| 27 | MK-1292266 | 1 Plate – Wear | 3 | 
| 28 | MK-1292252 | Connector – Discharge | 2 | 
| 29 | MK-7000307-11 | Screw, Hex Head | 16 | 
| 30 | MK-7619050 | Washer, Lock | 16 | 
| 31 | MK-1292253 | Adapter – Discharge Connector | 2 | 
| 32 | MK-2410031-433 | Packing, Rectangular | 2 | 
| 33 | MK-2410031-437 | Packing, Rectangular | 4 | 
| 34 | MK-1292166 | Clamp – Liner | 3 | 
| 41 | MK-1540851 | Seal – Suction Manifold | 3 | 
| 42 | MK-1292262 | Spacer – Discharge, Studded (Included Items 43-44) | 2 | 
| 43 | MK-2408015 | Stud – Discharge Spacer | 16 | 
| 45 | MK-1292257 | Seal – Module, Wear Plate | 6 |