| 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 |
| Components Related to NSN - 4820-00-340-0853, 4820003400853 | ||||
| 4820-00-768-0509 (4820007680509) | 4820-01-572-6332 (4820015726332) | 4810-01-388-5111 (4810013885111) | 4820-00-001-1674 (4820000011674) | |
| 4820-01-417-3999 (4820014173999) | 4820-00-988-9195 (4820009889195) | 4820-01-651-5916 (4820016515916) | 4810-01-291-5811 (4810012915811) | |
| 4820-01-382-3164 (4820013823164) | 4820-01-070-6082 (4820010706082) | 4820-01-363-1911 (4820013631911) | 4820-01-312-8350 (4820013128350) | |
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