| Item | Part No. | Part Name | Qty | Serial No. |
| 273-40-51100 | VALVE ASS'Y,STEERING | 10001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.4531 AND 4533. | ||||
| 274-40-12100 | VALVE ASS'Y,STEERING | 10001- | ||
| 1 | \6\ | SEAL,DUST (K1) | 10001- | |
| 2 | 237-40-12420 | RING | 10001- | |
| 3 | 274-40-12110 | BUSHING | 10001- | |
| 4 | \6\ | O-RING (K1) | 10001- | |
| 5 | \6\ | SEAL (K1) | 10001- | |
| 6 | \6\ | RING,BACK-UP (K1) | 10001- | |
| 7 | \6\ | O-RING (K1) | 10001- | |
| 237-40-12460 | BEARING ASS'Y | 10001- | ||
| 8 | 237-40-12470 | RACE,BEARING | 10001- | |
| 9 | 237-40-12480 | NEEDLE | 10001- | |
| 274-40-12120 | VALVE ASS'Y,CONTROL | 10001- | ||
| 10 | \6\ | HOUSING | 10001- | |
| 11 | \6\ | SLEEVE | 10001- | |
| 12 | \6\ | SPOOL | 10001- | |
| 13 | 237-40-12620 | PIN | 10001- | |
| 14 | 237-40-12610 | SPRING,CENTER RING | 10001- | |
| 15 | 237-40-12490 | SCREW,SET | 10001- | |
| 16 | \6\ | O-RING (K1) | 10001- | |
| 17 | 237-40-12520 | SEAT,CHECK | 10001- | |
| 18 | \6\ | O-RING (K1) | 10001- | |
| 19 | 237-40-12540 | BALL | 10001- | |
| 20 | 237-40-12550 | RETAINER | 10001- | |
| 21 | \6\ | O-RING (K1) | 10001- | |
| 22 | 237-40-12640 | PLATE,SPACER | 10001- | |
| 23 | 274-40-12160 | DRIVE | 10001- | |
| 24 | 274-40-12170 | ROTOR | 10001- | |
| 25 | 274-40-12180 | SPACER | 10001- | |
| 26 | 237-40-12670 | CAP,END | 10001- | |
| 27 | 274-40-12190 | SCREW | 10001- |