| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-203-7986 (002037986) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Parker Hannifin Corporation, Teledyne Industries Inc, Crissair Inc, Airforce-Navy Aeronautical Design Standard, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MIL-V-5524 | military specifications | valve check | RFQ |
| 5-1048-81 | parker hannifin corporation | valve check | RFQ |
| 5-1048-81 | teledyne industries inc | valve check | RFQ |
| 4CV0168 | crissair inc | valve check | RFQ |
| AN6280-16 | airforce-navy aeronautical design standard | valve check | RFQ |
| AN6280-16 | aeronautical standards group | valve check | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | CONE |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 1.312 INCHES ALL ENDS |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES 1ST END |
| MATT | MATERIAL | STEEL OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL,HYDRAULIC SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UN ALL ENDS |
| Relevant Components for NSN - 4820-00-203-7986, 4820002037986 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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