| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20N-30-41852 | BRACKET | 21942- | |
| 1 | \0\20N-30-41851 | BRACKET | 20714-21941 | |
| 1 | \0\20N-30-41850 | BRACKET | 20001-20713 | |
| 2 | 20R-30-21220 | SPRING,RECOIL | 20001- | |
| 3 | 20N-30-47810 | CYLINDER | 21942- | |
| 3 | \0\20N-30-41515 | CYLINDER | 20714-21941 | |
| 3 | \0\20N-30-41812 | CYLINDER | 20001-20713 | |
| 4 | 21U-30-11130 | NUT | 20714- | |
| 4 | \0\01590-12226 | NUT | 20001-20713 | |
| 5 | 04050-15045 | PIN,COTTER | 20714- | |
| 5 | \0\04050-15040 | PIN,COTTER | 20001-20713 | |
| 6 | 07000-13035 | O-RING | 20001- | |
| 7 | 20N-30-47830 | RING,BACK-UP | 21942- | |
| 7 | \0\07001-03035 | RING,BACK-UP | 20001-21941 | |
| 8 | 20N-30-41530 | SEAL,DUST | 20001- | |
| 9 | 20N-30-41822 | ROD | 20001- | |
| 10 | 20M-30-31240 | VALVE | 20001- | |
| 11 | 07020-00675 | FITTING,GREASE | 21942- | |
| 11 | \0\07020-00900 | FITTING,GREASE | 20001-21941 | |
| 12 | 01010-51235 | BOLT | 20001- | |
| 13 | 01643-51232 | WASHER | 20001- |