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) | 01-290-4469 (012904469) |
| NCB Code | USA (01) |
| Manufacturer | Tate Andale Inc, Huntington Ingalls Incorporated, Avondale Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 499515510062999 | tate andale inc | seat valve | RFQ |
| 499505560060449 | tate andale inc | seat valve | RFQ |
| M44-3-258C SH NO 20 | huntington ingalls incorporated | seat valve | RFQ |
| M44-3-258C SH NO 20 | avondale industries inc | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 5.875 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 4.625 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| Relevant Components for NSN - 4820-01-290-4469, 4820012904469 | ||||
| 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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