| Item | Part No. | Part Name | Qty | Serial No. |
| 20B-60-12200 | CHECK VALVE ASS'Y | 1501- | ||
| 1 | \6\ | HOUSING | 1501- | |
| 2 | 20B-60-18340 | PISTON | 1501- | |
| 3 | 20B-60-18350 | SLEEVE | 1501- | |
| 4 | 20B-60-18360 | POPPET | 1501- | |
| 5 | 20B-60-18370 | POPPET | 1501- | |
| 6 | 20B-60-18380 | COLLAR | 1501- | |
| 7 | 20B-60-18390 | SPRING | 1501- | |
| 8 | 20B-60-18410 | CAP | 1501- | |
| 9 | 201-60-18970 | O-RING | 1501- | |
| 10 | 20B-60-18420 | O-RING | 1501- | |
| 11 | \6\ | PLUG | 1501- | |
| 12 | 201-60-19110 | RING | 1501- | |
| 13 | \6\ | PLATE | 1501- | |
| 14 | \6\ | SCREW | 1501- | |
| 15 | 01010-30865 | BOLT | 1501- | |
| 16 | 01602-00825 | WASHER | 1501- |