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) | 00-056-7677 (000567677) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Flow Control Service Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 68.0 CUBIC FEET PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS,NATURAL 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| Relevant Components for NSN - 4820-00-056-7677, 4820000567677 | ||||
| 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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