| Item Name | Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-129-1974 (011291974) |
| NCB Code | USA (01) |
| Manufacturer | Pneudraulics Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAZE | SHANK DIAMETER | 0.560 INCHES NOMINAL |
| AAZU | TIP DIAMETER | 0.540 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 4.320 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 3.020 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 1.220 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | FOUR HOLES EQUALLY SPACED 0.218 IN. DIA,30.0 DEG FROM TIP DIA |
| MATT | III MATERIAL | STEEL COMP 440C |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | POPPET |
| Relevant Components for NSN - 4820-01-129-1974, 4820011291974 | ||||
| 4820-99-999-0878 (4820999990878) | 4820-99-998-8953 (4820999988953) | 4820-99-997-1591 (4820999971591) | 4820-99-996-1189 (4820999961189) | |
| 4820-99-995-8957 (4820999958957) | 4820-99-993-9033 (4820999939033) | 4820-99-993-8911 (4820999938911) | 4820-99-993-5028 (4820999935028) | |
| 4820-99-990-1605 (4820999901605) | 4820-99-989-1151 (4820999891151) | 4820-99-989-0745 (4820999890745) | 4820-99-988-8280 (4820999888280) | |
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