AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | Walker Power Systems Inc, American Turbo 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 |
| Relevant Components for NSN - 4820-01-139-4152, 4820011394152 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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