HALLIBURTON HT-400 Pump Parts
| Discharge / Suction | SPN |
| #3 Gasket discharge valve | 316.22052 |
| 4# Ring | 316.22051 |
| 5#Liner bushing | 316.22005 |
| 5a#Insert bushing | 316.22061 |
| 6# Spring | 316.2308 |
| 7# Valve | 316.22048 |
| 8# Insert, Polyurethane, No. 4 Frac Valve, Standard Service | 316.22049 |
| 8# Insert, Buna N Rubber, No. 4 Frac Valve, Oil Service | 316.22055 |
| 8# Insert, Polyurethane, No. 4 Frac Valve, Acid/Frac Service | 316.22046 |
| 8# Insert, Aflas, No. 4 Frac Valve, Severe Chemical Service | 316.22058 |
| 9# Seat | 316.22047 |
| 10# Oring | 8.34041 |
| 11# Adapter | 316.22045 |
| 12# Oring | 8.33813 |
| 13#Retainer | 316.22221 |
| 15#Spring | 316.22252 |
| 16#Boot suction stop | 316.25233 |
| 17#Retainer stop and spring | 316.22242 |
| 17#RETAINER, STOP AND SPRING | 316.23034 |
| Packing | SPN |
| 1# adapter header ring | 316.23503 |
| 2# Ring header | 316.23501 |
| 2# Ring header | 316.23505 |
| 3# Packing Set, 4 Vz-in. x 5 Vz-in. x Vz-in. Stock HT, 3 Rings, Soft, Mild Acid/Cement | 316.23532 |
| 3# Packing Set, 4 Vz-in. x 5 Vz-in. x V2-in. Stock, 3 Rings, Acid Services. | 316.23525 |
| 4# Ring Backup | 316.23393 |
| 5# Carrier | 316.23391 |
| 6# seal | 316.23395 |
| 7# Oring | 8.34049 |
| Plunger | SPN |
| 2# seal assembly plunger | 316.233 |
| 3#Plunger, Hard Surfaced, L-Spacer, 4 1/2-in. | 316.23085 |
| 4# Tie Rod, L-Spacer, Plunger | 316.21028 |