| Item | Part No. | Part Name | Qty | Serial No. |
| 20G-60-12110 | VALVE ASS'Y,SUSPENSION LOCK | 1601- | ||
| THE NABCO PART NUMBER IS THAT NA IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | BODY | 1601- | |
| 2 | NA231241435430 | SPOOL | 1601- | |
| 3 | NA23484140703 | VALVE | 1601- | |
| 4 | NA62574140704 | SPRING | 1601- | |
| 5 | NA231241435440 | END,SPOOL | 1601- | |
| 6 | NA040110000901 | O-RING | 1601- | |
| 7 | NA040110001600 | O-RING | 1601- | |
| 8 | NA4M73218 | WASHER | 1601- | |
| 9 | NA231241435450 | TUBE | 1601- | |
| 10 | NA231241435460 | PISTON | 1601- | |
| 11 | NA231241435470 | COVER | 1601- | |
| 12 | NA040110102200 | O-RING | 1601- | |
| 13 | NA000201060555 | BOLT | 1601- | |
| 14 | NA621341194690 | RETAINER | 1601- | |
| 15 | NA625741541180 | SPRING | 1601- | |
| 16 | NA4M73215 | COVER | 1601- | |
| 17 | NA000201060125 | BOLT | 1601- | |
| 18 | NA036000030003 | PLUG | 1601- | |
| 19 | NA62594100582 | PLATE¤ NAME | 1601- | |
| 20 | NA10884020005 | RIVET | 1601- |