| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | PC2550 | SEAT ASSEMBLY (1) (SEE INDEX) | ||
| 1 | 58F-54-01600 | SEAT ASSEMBLY (2) (SEE INDEX) | ||
| 2 | TD0794 | CAPSCREW - 5/16" - 18NC X 3/4" | ||
| 3 | SC4174 | LOCKWASHER - 5/16" | ||
| 4 | TV0177 | FLAT WASHER - 5/16" | ||
| NS|6 | NOTE: (1) EFFECTIVE WITH A50028 - A50051. | |||
| NS|7 | (2) EFFECTIVE WITH A50052 & UP. |