| Item | Part No. | Part Name | Qty | Serial No. |
| (21S-60-31404) | VALVE ASS'Y | 14653- | ||
| (21S-60-31403) | VALVE ASS'Y | 14016-14652 | ||
| (21S-60-31402) | VALVE ASS'Y | 10511-14015 | ||
| (21S-60-31401) | VALVE ASS'Y | 10001-10510 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1661-01A0 TO Y1661-06A0. | ||||
| NA371421266601 | VALVE ASS'Y,L.H. TRAVEL | 10001- | ||
| 1 | \6\ | BLOCK,ZA | 10001- | |
| NA371421267501 | SPOOL ASS'Y,TRAVEL | 10001- | ||
| 2 | \6\ | SPOOL | 10511- | |
| 2 | \6\ | SPOOL | 10001-10510 | |
| 3 | NA401101010000 | O-RING | 10001- | |
| 4 | NA440211010000 | RING,BACK UP | 10001- | |
| 5 | NA371416994701 | PLATE | 10001- | |
| 6 | NA371416994801 | RETAINER | 10001- | |
| 7 | NA257420450201 | SPRING | 10511- | |
| 7 | NA257417185601 | SPRING | 10001-10510 | |
| 8 | NA371420510501 | BOLT | 10001- | |
| 9 | NA401101010000 | O-RING | 10001- | |
| 10 | NA440211010000 | RING,BACK UP | 10001- | |
| 11 | NA371416994701 | PLATE | 10001- | |
| 12 | NA031110501064 | SCREW | 10001- | |
| 13 | NA401100011010 | O-RING | 10001- | |
| 14 | NA371416994501 | SEAT | 10001- | |
| 15 | NA371416994601 | COVER | 10001- | |
| 16 | NA002010504551 | BOLT | 10001- | |
| NA371421266801 | VALVE ASS'Y,BLADE | 10001- | ||
| 17 | \6\ | BLOCK,ZH | 10001- | |
| NA371421267601 | SPOOL ASS'Y,BLADE | 10001- | ||
| 18 | \6\ | SPOOL,BLADE | 10001- | |
| 19 | NA401101010000 | O-RING | 10001- | |
| 20 | NA440211010000 | RING,BACK UP | 10001- | |
| 21 | NA371416994701 | PLATE | 10001- | |
| 22 | NA371416994801 | RETAINER | 10001- | |
| 23 | NA257417185601 | SPRING | 10001- | |
| 24 | NA371420510501 | BOLT | 10001- | |
| 25 | NA401101010000 | O-RING | 10001- | |
| 26 | NA440211010000 | RING,BACK UP | 10001- | |
| 27 | NA371416994701 | PLATE | 10001- | |
| 28 | NA031110501064 | SCREW | 10001- | |
| 29 | NA332090701014 | VALVE | 10001- | |
| 30 | NA257417053001 | SPRING | 10001- | |
| 31 | NA401100011010 | O-RING | 10001- | |
| 32 | NA371416994501 | SEAT | 10001- | |
| 33 | NA371416994601 | COVER | 10001- | |
| 34 | NA002010504551 | BOLT | 10001- | |
| 35 | NA403100012710 | O-RING | 10001- | |
| 36 | NA401100010010 | O-RING | 10001- |