| Item | Part No. | Part Name | Qty | Serial No. |
| (20T-60-72141) | VALVE ASS'Y | 1001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.H0120-51A0 TO H0120-53A0. | ||||
| 1 | \6\ | BLOCK | 1001- | |
| 2 | \6\ | BLOCK | 1001- | |
| 3 | \6\ | BLOCK | 1001- | |
| 4 | \6\ | BLOCK | 1001- | |
| 5 | NAD33216861501 | BLOCK | 1001- | |
| 6 | NAC01200055010 | O-RING | 1001- | |
| 7 | \6\ | SPOOL,TRAVEL, R.H. | 1001- | |
| 8 | \6\ | SPOOL,BOOM SWING | 1001- | |
| 9 | \6\ | SPOOL,BUCKET | 1001- | |
| 10 | \6\ | SPOOL,BOOM | 1001- | |
| 11 | NAD33416861901 | RETAINER | 1001- | |
| 12 | NAE57416861701 | SPRING | 1001- | |
| 13 | NAD33416861801 | CASE | 1001- | |
| 14 | NAC01100022010 | O-RING | 1001- | |
| 15 | NAA02010604051 | BOLT | 1001- | |
| 16 | NAD33414362401 | RETAINER | 1001- | |
| 17 | NAE514132420 | SPACER | 1001- | |
| 18 | NAE57416982101 | SPRING | 1001- | |
| 19 | NAE514132647 | BOLT | 1001- | |
| 20 | NAD33414760401 | CASE | 1001- | |
| 21 | NAE55414586501 | SEAL,OIL | 1001- | |
| 22 | NAD33090604004 | PLATE | 1001- | |
| 23 | NAE51416985101 | BOLT | 1001- | |
| 24 | NAA02010601051 | BOLT | 1001- | |
| 25 | NAD33090701014 | POPPET | 1001- | |
| 26 | NA4M82472 | SPRING | 1001- | |
| 27 | NAD33090703014 | PLUG | 1001- | |
| 28 | NAC01100014010 | O-RING | 1001- | |
| 29 | (NAD33316087819) | VALVE ASS'Y,MAIN RELIEF | 1001- | |
| 30 | (NAD33415778005) | VALVE ASS'Y,SAFETY | 1001- | |
| 31 | (NAD33416379404) | VALVE ASS'Y,SAFETY AND SUCTION | 1001- | |
| 32 | (NAD33416884601) | VALVE ASS'Y,SUCTION | 1001- | |
| 33 | (NAD33415910901) | NUT | 1001- |