| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-121-2865 (011212865) |
| NCB Code | USA (01) |
| Manufacturer | Down East Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 7.432 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 7.057 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 5.755 INCHES MINIMUM AND 5.760 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.237 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.383 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-01-121-2865, 4820011212865 | ||||
| 4820-01-680-0758 (4820016800758) | 4820-01-143-5485 (4820011435485) | 4820-00-055-1456 (4820000551456) | 4820-01-064-7247 (4820010647247) | |
| 4820-01-659-8956 (4820016598956) | 4820-00-950-5912 (4820009505912) | 4820-01-070-5428 (4820010705428) | 4820-01-390-2772 (4820013902772) | |
| 4820-01-117-0449 (4820011170449) | 4820-01-013-4639 (4820010134639) | 4820-01-360-4401 (4820013604401) | 4810-01-666-7132 (4810016667132) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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