| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-222-4420 (012224420) |
| NCB Code | USA (01) |
| Manufacturer | A And F Machine Products Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | BALL |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END |
| BBJX | MOUNTING POSITION | VERTICAL |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES 1ST END |
| FEAT | SPECIAL FEATURES | FOR SUCTION CHECK VALVE OPERATION |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Relevant Components for NSN - 4820-01-222-4420, 4820012224420 | ||||
| 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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