| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-13801) | VALVE ASS'Y | 1976- | ||
| (723-57-13800) | VALVE ASS'Y | 1501-1975 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-21A0 TO Y1662-33A0. | ||||
| 723-50-51400 | VALVE ASS'Y | 1501- | ||
| 1 | \6\ | BLOCK | 1501- | |
| 2 | \6\ | SPOOL | 1501- | |
| 3 | 723-50-51230 | SPRING | 1501- | |
| 4 | 723-50-51140 | PLUG | 1501- | |
| 5 | 07002-11623 | O-RING | 1501- | |
| 6 | 723-50-51150 | FLANGE | 1501- | |
| 7 | 07000-12011 | O-RING | 1501- | |
| 8 | 07000-11007 | O-RING | 1501- | |
| 9 | 01252-60620 | BOLT | 1501- | |
| 10 | \6\ | BALL | 1501- | |
| 11 | 723-50-51160 | PLUG | 1501- | |
| 12 | 07000-11003 | O-RING | 1501- | |
| 13 | 07002-10823 | O-RING | 1501- | |
| 14 | \6\ | PLUG | 1501- | |
| 15 | 07000-11008 | O-RING | 1501- | |
| 723-50-52200 | VALVE ASS'Y | 1501- | ||
| 16 | \6\ | BLOCK | 1501- | |
| 17 | \6\ | SPOOL | 1501- | |
| 18 | 723-50-52130 | RETAINER | 1501- | |
| 19 | 723-50-52150 | SPRING | 1501- | |
| 20 | 723-56-31630 | PLUG | 1501- | |
| 21 | 07002-11623 | O-RING | 1501- | |
| 22 | \6\ | BALL | 1501- | |
| 23 | 723-50-51160 | PLUG | 1501- | |
| 24 | 07000-11003 | O-RING | 1501- | |
| 25 | 07002-10823 | O-RING | 1501- | |
| 26 | 723-56-41620 | ORIFICE | 1501- | |
| 27 | 723-11-18190 | PLUG | 1501- | |
| 28 | 07002-11023 | O-RING | 1501- | |
| 29 | \6\ | PLUG | 1501- | |
| 30 | 07000-11008 | O-RING | 1501- | |
| 31 | 07000-11007 | O-RING | 1501- | |
| 723-50-54100 | VALVE ASS'Y | 1501- | ||
| 32 | 723-50-54110 | BLOCK | 1501- | |
| 33 | 723-56-31610 | VALVE | 1501- | |
| 34 | 723-56-31620 | SPRING | 1501- | |
| 35 | 723-56-31630 | PLUG | 1501- | |
| 36 | 07002-11623 | O-RING | 1501- | |
| 37 | 723-11-18190 | PLUG | 1501- | |
| 38 | 07002-11023 | O-RING | 1501- | |
| 39 | 07000-11009 | O-RING | 1501- | |
| 40 | 708-2L-25490 | O-RING | 1501- |