| Item | Part No. | Part Name | Qty | Serial No. |
| 175-894-7163 | VALVE,AIR REGULATOR | 23891- | ||
| 175-894-7162 | VALVE,AIR REGULATOR | 12275-23890 | ||
| 1 | \6\ | CAP | 12275- | |
| 2 | \6\ | NUT | 12275- | |
| 3 | \6\ | ROD | 12275- | |
| 4 | \6\ | O-RING | 12275- | |
| 5 | \6\ | CAP | 12275- | |
| 6 | \6\ | CASE | 12275- | |
| 7 | \6\ | COVER | 12275- | |
| 8 | \6\ | PLATE | 12275- | |
| 9 | \6\ | SPRING | 12275- | |
| 10 | 175-894-7270 | GASKET | 12275- | |
| 11 | 175-894-7290 | DIAPHRAGM | 12275- | |
| 12 | \6\ | BAFFLE | 12275- | |
| 13 | \6\ | PACKING | 12275- | |
| 14 | \6\ | SEAT | 12275- | |
| 15 | \6\ | O-RING | 12275- | |
| 16 | \6\ | PIN | 12275- | |
| 17 | \6\ | BODY | 12275- | |
| 18 | \6\ | PLUG | 12275- | |
| 19 | \6\ | FILTER | 12275- | |
| 20 | \6\ | VALVE | 12275- | |
| 21 | \6\ | O-RING | 12275- | |
| 22 | \6\ | SPRING | 12275- | |
| 23 | \6\ | O-RING | 12275- | |
| 24 | \6\ | O-RING | 12275- | |
| 25 | 177-44-11780 | BRACKET | 12275-23890 | |
| 26 | \6\ | SCREW | 23891- | |
| 26 | \6\ | SCREW | 12275-23890 | |
| 27 | \6\ | SCREW | 12275-23890 | |
| 28 | \6\ | WASHER | 12275- |