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| 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 | Nacco Materials Handling Group Inc, Allied Systems Corp |
| 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" |
| Relevant Components for NSN - 4820-00-251-1826, 4820002511826 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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