| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-251-1826 (002511826) |
| NCB Code | USA (00) |
| Manufacturer | Allied Systems Corp, Nacco Materials Handling Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A 1ST END" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | BALL" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END" |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 2ND END" |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END" |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END" |
| MATT | MATERIAL | STEEL OVERALL" |
| SFTT | SURFACE TREATMENT | CADMIUM" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU" |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END" |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END" |
| AAJD | THREAD CLASS | 2A 1ST END" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | BALL" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END" |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 2ND END" |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END" |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END" |
| MATT | MATERIAL | STEEL OVERALL" |
| SFTT | SURFACE TREATMENT | CADMIUM" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU" |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END" |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END" |
| Components Related to NSN - 4820-00-251-1826, 4820002511826 | ||||
| 4820-00-768-0509 (4820007680509) | 4820-01-572-6332 (4820015726332) | 4810-01-388-5111 (4810013885111) | 4820-00-001-1674 (4820000011674) | |
| 4820-01-417-3999 (4820014173999) | 4820-00-988-9195 (4820009889195) | 4820-01-651-5916 (4820016515916) | 4810-01-291-5811 (4810012915811) | |
| 4820-01-382-3164 (4820013823164) | 4820-01-070-6082 (4820010706082) | 4820-01-363-1911 (4820013631911) | 4820-01-312-8350 (4820013128350) | |
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