| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-291-2365 (012912365) |
| NCB Code | USA (01) |
| Manufacturer | Drs Environmental Systems Inc, Engineered Air Systems Inc, Autoflow Products Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | ALLOW FREE FLOW OF 23 GPM WHEN SYTEM PRESSURE EXCEEDS 260 PSIG (NORMAL-OPERATING PRESSURE IS 180 PSIG); RESET PRESSURE IS 220 PSIG; MANUAL PURGE CONTROL ON TOP OF VALVE; WORKING FLUID IS HOT WATER 95 PCT LIQUID 5 PCT VAPOR; CONSTRUCTION SU |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER,FRESH SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| Components Related to NSN - 4820-01-291-2365, 4820012912365 | ||||
| 4820-01-373-8958 (4820013738958) | 4820-01-129-8013 (4820011298013) | 4820-01-440-6910 (4820014406910) | 4810-01-523-9395 (4810015239395) | |
| 4810-01-541-8177 (4810015418177) | 4810-01-480-3370 (4810014803370) | 4820-01-190-5941 (4820011905941) | 4820-01-130-0014 (4820011300014) | |
| 4820-01-365-6951 (4820013656951) | 4820-01-414-5558 (4820014145558) | 4820-01-319-9150 (4820013199150) | 4820-00-488-8376 (4820004888376) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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