| Item | Part No. | Part Name | Qty | Serial No. |
| 20U-60-22212 | VALVE ASS'Y | 12772- | ||
| \0\20U-60-22211 | VALVE ASS'Y | 9181-12771 | ||
| \0\20U-60-22210 | VALVE ASS'Y | 8001-9180 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1680-11A0 TO Y1680-13A0. | ||||
| 1 | NAD33216861401 | BLOCK | 8001- | |
| 2 | \6\ | BLOCK | 8001- | |
| 3 | \6\ | BLOCK | 8001- | |
| 4 | NAD33216861601 | BLOCK | 8001- | |
| 5 | NAC01200055010 | O-RING | 8001- | |
| 6 | NAE51413047119 | STUD | 8001- | |
| 7 | NAB01011008004 | NUT | 8001- | |
| 8 | \6\ | SPOOL,ARM | 8001- | |
| 9 | \6\ | SPOOL,TRAVEL¤ L.H. | 12772- | |
| \6\ | SPOOL,TRAVEL¤ L.H. | 8001-12771 | ||
| 10 | NAD33416498801 | POPPET | 8001- | |
| 11 | NAD33416498901 | SPRING | 8001- | |
| 12 | NAD33416884501 | JOINT | 8001- | |
| 13 | NAC01100006010 | O-RING | 8001- | |
| 14 | NAD33416861901 | RETAINER | 8001- | |
| 15 | NAE57416861701 | SPRING | 8001- | |
| 16 | NAD33416861801 | CASE | 8001- | |
| 17 | NAC01100022010 | O-RING | 8001- | |
| 18 | NAA02010604051 | BOLT | 8001- | |
| 19 | NAD33414362401 | RETAINER | 8001- | |
| 20 | NAE57416982101 | SPRING | 8001- | |
| 21 | NAE51417062001 | BOLT | 8001- | |
| 22 | NAD33414760401 | CASE | 8001- | |
| 23 | NAE55414586501 | SEAL,OIL | 8001- | |
| 24 | NAD33090604004 | PLATE | 8001- | |
| 25 | NAE51416985101 | BOLT | 8001- | |
| 26 | NAA02010601051 | BOLT | 8001- | |
| 27 | NAD33090701014 | POPPET | 8001- | |
| 28 | NA4M82472 | SPRING | 8001- | |
| 29 | NAD33090703014 | PLUG | 8001- | |
| 30 | NAC01100014010 | O-RING | 8001- | |
| 31 | 07040-11007 | PLUG | 8001- | |
| 32 | 07002-11023 | O-RING | 8001- | |
| 33 | (NAD33316087822) | VALVE ASS'Y,MAIN RELIEF | 8001- | |
| 34 | (NAD33416379404) | VALVE ASS'Y,SAFETY AND SUCTION | 9181- | |
| (NAD33415778005) | VALVE ASS'Y,SAFETY | 8001-9180 | ||
| 35 | (NAD33416379404) | VALVE ASS'Y,SAFETY AND SUCTION | 8001- |