| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-020-9879 (010209879) |
| NCB Code | USA (01) |
| Manufacturer | General Electric Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.6260 INCHES MINIMUM AND 2.6265 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 2.046 INCHES MINIMUM AND 2.062 INCHES MAXIMUM |
| AJFZ | SEAT RADIUS | 0.225 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 1.437 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.438 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.750 INCHES NOMINAL FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.968 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | NICKEL COPPER IRON OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-6710,COND E,FINISH 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-01-020-9879, 4820010209879 | ||||
| 4810-20-003-8822 (4810200038822) | 4810-01-014-8016 (4810010148016) | 4810-01-084-1238 (4810010841238) | 4810-01-411-7729 (4810014117729) | |
| 4820-01-408-3745 (4820014083745) | 4820-01-456-9072 (4820014569072) | 4820-01-297-1947 (4820012971947) | 4820-01-135-8329 (4820011358329) | |
| 4820-00-214-6773 (4820002146773) | 4810-01-588-5008 (4810015885008) | 4820-01-538-8242 (4820015388242) | 4820-01-628-7496 (4820016287496) | |
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