| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-397-7119 (013977119) |
| NCB Code | USA (01) |
| Manufacturer | Haskel International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| FEAT | SPECIAL FEATURES | TO BE CLEANED FOR OXYGEN SERVICE PER MIL-I-52211,METHOD C,LEVEL B,CLASS A |
| STYL | STYLE DESIGNATOR | ANGLE |
| AEHZ | MAXIMUM OPERATING TEMP | 125.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MATT | MATERIAL | RUBBER PACKING |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN,GASEOUS SINGLE RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CSDC | OPENING PRESSURE SETTING | 2900.0 POUNDS PER SQUARE INCH |
| Components Related to NSN - 4820-01-397-7119, 4820013977119 | ||||
| 4820-01-661-4388 (4820016614388) | 4820-01-145-6678 (4820011456678) | 4820-01-039-1836 (4820010391836) | 4820-01-386-1744 (4820013861744) | |
| 4810-01-271-8772 (4810012718772) | 4820-00-999-3603 (4820009993603) | 4820-01-212-9959 (4820012129959) | 4820-01-294-4352 (4820012944352) | |
| 4820-01-377-3064 (4820013773064) | 4820-01-394-1344 (4820013941344) | 4820-01-268-9843 (4820012689843) | 4820-01-500-8093 (4820015008093) | |
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