| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-027-4731 (010274731) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJD | THREAD CLASS | 3B 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 2ND END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 2ND END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| THSD | THREAD SERIES DESIGNATOR | UNJF 2ND END |
| Relevant Components for NSN - 4820-01-027-4731, 4820010274731 | ||||
| 4820-01-478-7250 (4820014787250) | 4820-01-157-2874 (4820011572874) | 4820-01-152-3022 (4820011523022) | 4820-00-622-4732 (4820006224732) | |
| 4820-01-521-9794 (4820015219794) | 4820-01-396-0684 (4820013960684) | 4820-01-450-7273 (4820014507273) | 4820-01-124-2752 (4820011242752) | |
| 4820-01-233-6840 (4820012336840) | 4820-00-495-7877 (4820004957877) | 4820-01-708-6366 (4820017086366) | 4820-00-220-3237 (4820002203237) | |
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