| Item | Part No. | Part Name | Qty | Serial No. |
| 6271-21-1100 | Block Assembly | 503227- | ||
| 1 | 6271-21-1112 | Block, Cylinder | 554339- | |
| 1 | Block, Cylinder | 513884-554338 | ||
| 1 | Block, Cylinder | 503227-513883 | ||
| 2 | 6204-29-1210 | Cap, Main Metal, No.1, 2, 3, 4 | 503227- | |
| 3 | 6204-29-1220 | Cap, Main Metal, No.5 | 503227- | |
| 4 | 6204-21-1610 | Bolt | 503227- | |
| 5 | 6141-21-1530 | Ring | 503227- | |
| 6 | 6206-21-1430 | Bushing | 503227- | |
| 7 | 6206-21-1420 | Bushing | 503227- | |
| 8 | 07046-42216 | Plug | 503227- | |
| 9 | 07046-42516 | Plug | 503227- | |
| 10 | 07046-43016 | Plug | 503227- | |
| 11 | 07046-44016 | Plug | 503227- | |
| 12 | 07042-70312 | Plug | 503227- | |
| 13 | 6215-81-9710 | O-ring | 504673- | |
| 13 | 6215-81-9710 | O-ring | 503227-504672 | |
| 14 | 6215-81-9510 | Plug | 504673- | |
| 14 | 6215-81-9510 | Plug | 503227-504672 | |
| 15 | 6204-51-1711 | Bushing | 503227- | |
| 16 | 6140-21-1130 | Bushing | 503227- | |
| 17 | 04020-00820 | Pin, Dowel | 503227- | |
| 18 | 04020-01228 | Pin, Dowel | 503227- | |
| 19 | 04025-00408 | Pin, Spring | 503227- | |
| 20 | 07046-41810 | Plug | 503227- | |
| 21 | 07043-70108 | Plug, Taper | 503227- | |
| 22 | 6136-52-1620 | Pin | 503227- | |
| 23 | 6204-51-1620 | Shaft | 503227- | |
| 24 | 6207-21-1190 | Pin | 503227- |