| Item Name | Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-139-4152 (011394152) |
| NCB Code | USA (01) |
| Manufacturer | American Turbo Systems Inc, Walker Power Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAZE | SHANK DIAMETER | 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM |
| AAZU | TIP DIAMETER | 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.362 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| CRRB | SEAT ANGLE | 45.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | 0.181 IN. MIN,0.191 IN. MAX FLATTED DIM. |
| MATT | MATERIAL | PLASTIC |
| STYL | STYLE DESIGNATOR | POPPET |
| Components Related to NSN - 4820-01-139-4152, 4820011394152 | ||||
| 4820-01-581-0691 (4820015810691) | 4820-01-690-9757 (4820016909757) | 4810-01-273-7409 (4810012737409) | 4820-01-270-2569 (4820012702569) | |
| 4820-01-156-4780 (4820011564780) | 4820-01-067-2617 (4820010672617) | 4820-01-229-4195 (4820012294195) | 4810-01-669-3030 (4810016693030) | |
| 4820-01-445-7577 (4820014457577) | 4820-00-442-3835 (4820004423835) | 4820-01-252-7931 (4820012527931) | 4820-01-308-4318 (4820013084318) | |
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