AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-340-0853 (003400853) |
| NCB Code | USA (00) |
| Manufacturer | Woodward Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| AJSH | SEAL ACCOMMODATION TYPE | RECESSED |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.202 INCHES MINIMUM FIRST STEP AND 0.205 INCHES MAXIMUM FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.276 INCHES MINIMUM SECOND STEP AND 0.286 INCHES MAXIMUM SECOND STEP |
| FEAT | SPECIAL FEATURES | 2 BLEED HOLES |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ZZZV | FSC APPLICATION DATA | VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT |
| Relevant Components for NSN - 4820-00-340-0853, 4820003400853 | ||||
| 4820-01-355-0373 (4820013550373) | 4820-01-596-5537 (4820015965537) | 4820-01-428-4292 (4820014284292) | 4820-01-572-3577 (4820015723577) | |
| 4820-01-535-9663 (4820015359663) | 4820-01-278-9880 (4820012789880) | 4820-01-412-2051 (4820014122051) | 4820-12-365-1402 (4820123651402) | |
| 4810-12-380-1387 (4810123801387) | 4820-01-492-3226 (4820014923226) | 4820-01-299-0262 (4820012990262) | 4820-01-263-0040 (4820012630040) | |
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