| Item | Part No. | Part Name | Qty | Serial No. |
| 20U-60-22272 | VALVE ASS'Y | | 12772- |
| \0\20U-60-22271 | VALVE ASS'Y | | 9181-12771 |
| \0\20U-60-22270 | VALVE ASS'Y | | 8001-9180 |
| | THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1682-01A2 TO Y1682-03A2. | | |
| 1 | NAD33216861401 | BLOCK | | 8001- |
| 2 | \6\ | BLOCK | | 8001- |
| 3 | \6\ | BLOCK | | 8001- |
| 4 | NAD33216861601 | BLOCK | | 8001- |
| 5 | NAC01200055010 | O-RING | | 8001- |
| 6 | NAE51413047145 | STUD | | 8001- |
| 7 | NAB01011008004 | NUT | | 8001- |
| 8 | \6\ | SPOOL,ARM | | 8001- |
| 9 | \6\ | SPOOL,TRAVEL, L.H. | | 12772- |
| 9 | \6\ | SPOOL,TRAVEL, L.H. | | 8001-12771 |
| 10 | \6\ | SPOOL,ARM HIGH | | 8001- |
| 11 | NAD33416498801 | POPPET | | 8001- |
| 12 | NAD33416498901 | SPRING | | 8001- |
| 13 | NAD33416884501 | JOINT | | 8001- |
| 14 | NAC01100006010 | O-RING | | 8001- |
| 15 | NAD33416861901 | RETAINER | | 8001- |
| 16 | NAE57416861701 | SPRING | | 8001- |
| 17 | NAD33416861801 | CASE | | 8001- |
| 18 | NAC01100022010 | O-RING | | 8001- |
| 19 | NAA02010604051 | BOLT | | 8001- |
| 20 | NAD33414362401 | RETAINER | | 8001- |
| 21 | NAE57416982101 | SPRING | | 8001- |
| 22 | NAE51417062001 | BOLT | | 8001- |
| 23 | NAD33414760401 | CASE | | 8001- |
| 24 | NAE55414586501 | SEAL,OIL | | 8001- |
| 25 | NAD33090604004 | PLATE | | 8001- |
| 26 | NAE51416985101 | BOLT | | 8001- |
| 27 | NAA02010601051 | BOLT | | 8001- |
| 28 | NAD33417236801 | POPPET | | 8001- |
| 29 | NAE57417237001 | SPRING | | 8001- |
| 30 | NAD33417236901 | PLUG | | 8001- |
| 31 | NAC01100014010 | O-RING | | 8001- |
| 32 | 07040-11007 | PLUG | | 8001- |
| 33 | 07002-11023 | O-RING | | 8001- |
| 34 | (NAD33316087822) | VALVE ASS'Y,MAIN RELIEF | | 8001- |
| 35 | (NAD33415778005) | VALVE ASS'Y,SAFETY AND SUCTION | | 9181- |
| 35 | (NAD33415778005) | VALVE ASS'Y,SAFETY | | 8001-9180 |
| 36 | (NAD33416379404) | VALVE ASS'Y,SAFETY AND SUCTION | | 9181- |
| 37 | (NAD33416379404) | VALVE ASS'Y,SAFETY AND SUCTION | | 8001- |
