AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-161-6426 (011616426) |
| NCB Code | USA (01) |
| Manufacturer | Pentair Valves And Controls, Anderson Greenwood Lp, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AEHZ | MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 460.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 157.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | PRESSURE SETTING 157 PSI,UNIONS,BORNZE SILVER BRAZING;1 INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MATT | MATERIAL | NICKEL ALLOY STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-V-22549 GOVERNMENT SPECIFICATION |
| Relevant Components for NSN - 4820-01-161-6426, 4820011616426 | ||||
| 4820-01-437-8926 (4820014378926) | 4820-01-258-2410 (4820012582410) | 4820-00-432-1714 (4820004321714) | 4820-01-271-9629 (4820012719629) | |
| 4820-01-578-9600 (4820015789600) | 4820-00-092-6590 (4820000926590) | 4820-01-417-2811 (4820014172811) | 4820-01-365-0880 (4820013650880) | |
| 4820-01-697-1452 (4820016971452) | 4820-15-149-7310 (4820151497310) | 4820-00-506-2869 (4820005062869) | 4820-00-330-9420 (4820003309420) | |
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