AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Piston Ring Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-957-2233 (009572233) |
| NCB Code | USA (00) |
| Manufacturer | Hammel Dahl Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | FOR 4 IN. TYPE 37-G2 VALVE |
| Relevant Components for NSN - 4820-00-957-2233, 4820009572233 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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