| Item | Part No. | Part Name | Qty | Serial No. |
| 421-64-15500 | VALVE ASS'Y,STOP | 20001- | ||
| 1 | \6\ | BODY | 20001- | |
| 2 | \6\ | SPOOL | 20001- | |
| 3 | 421-64-15920 | SEAL (K19) | 20001- | |
| 4 | 421-64-15930 | WIPER (K19) | 20001- | |
| 5 | 421-64-15530 | POPPET | 20001- | |
| 6 | 421-64-15540 | SPRING | 20001- | |
| 7 | 421-64-15560 | END,SPOOL | 20001- | |
| 8 | 421-64-15550 | O-RING (K19) | 20001- | |
| 9 | 421-64-15570 | SPRING | 20001- | |
| 10 | 421-64-15590 | PLUG | 20001- | |
| 11 | 421-64-15580 | O-RING | 20001- | |
| 12 | 421-64-15940 | COVER | 20001- | |
| 13 | 421-64-15950 | BOLT,SOKECT | 20001- | |
| 14 | 421-64-15910 | BOOT | 20001- |