| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-405-4884 (004054884) |
| NCB Code | USA (00) |
| Manufacturer | Norgren Limited, Norgren Martonair Ltd, Dewhurst Plc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2 SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.174 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 0.920 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.438 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.760 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 18.500 NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 0.875 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | FAUCET |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| Components Related to NSN - 4820-00-405-4884, 4820004054884 | ||||
| 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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