| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-46-22200 | REAR FRAME | -20556 | |
| 1A | 421-46-H2030 | REAR FRAME | 20557- | |
| 2 | 424-46-12162 | BUSHING | ||
| 3 | 421-46-15121 | PACKING | ||
| 4 | 424-46-12310 | RETAINER | ||
| 5 | 421-46-15112 | PACKING | ||
| 6 | 07000-05305 | O-RING | ||
| 7 | 01435-01235 | SCREW | ||
| 8 | 424-46-12156 | SUPPORT | ||
| 9 | 424-46-12172 | BUSHING | ||
| 10 | 421-46-15132 | PACKING | ||
| 11 | 424-46-12221 | PLATE | ||
| 12 | 424-46-12182 | PLAIN WASHER | ||
| 13 | 424-46-12191 | COVER | ||
| 14 | 01010-31665 | SCREW | ||
| 15 | 01643-31645 | PLAIN WASHER | ||
| 16 | 01011-62790 | SCREW | ||
| 17 | 01643-32780 | PLAIN WASHER | ||
| 18 | 01580-02722 | NUT | ||
| 19 | 421-46-22580 | COVER | -20556 | |
| 19A | 417-04-21210 | PROTECTIVE STRIP | -20556 | |
| 20 | 421-46-22590 | COVER | -20556 | |
| 21 | 01010-51220 | SCREW | -20556 | |
| 22 | 01643-31232 | PLAIN WASHER | -20556 | |
| 23 | 421-46-12880 | LATCH | ||
| 24 | 419-46-14110 | PIN | ||
| 25 | 04025-01065 | PEG | ||
| 26 | 04050-10060 | COTTER | ||
| 27 | 421-46-12750 | PIN | ||
| 28 | 421-46-22860 | STIRRUP | ||
| 29 | 01016-51640 | SCREW | ||
| 30 | 01643-31645 | PLAIN WASHER | ||
| 31 | 424-46-H4110 | FLAP | 20557- | |
| 32 | 421-09-12321 | LOCKING UNIT | 20557- | |
| 33 | 01435-01225 | SCREW | 20557- | |
| 34 | 01220-40410 | SCREW | 20557- | |
| 35 | 01641-20405 | PLAIN WASHER | 20557- | |
| 36 | 01220-40410 | SCREW | 20557- | |
| 37 | 01641-20405 | PLAIN WASHER | 20557- | |
| 38 | 01580-10403 | NUT | 20557- | |
| 39 | 424-46-H4150 | INSULATING MAT | 20557- | |
| 40 | 419-00-H1530 | PIN | ||
| 41 | 04050-18055 | COTTER | ||
| 42 | 419-46-H4180 | PIN |