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) | 00-149-2092 (001492092) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| M11E433PC32 | westinghouse electric corp | seat valve | RFQ |
| 9G985PC2 | westinghouse electric corp | seat valve | RFQ |
| 1391949 | westinghouse electric corp | seat valve | RFQ |
| 11E433PC32 | westinghouse electric corp | seat valve | RFQ |
| 1391949 | northrop grumman systems corporation | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 3.002 INCHES MINIMUM AND 3.003 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| AJFZ | SEAT RADIUS | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.875 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 3.688 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-149-2092, 4820001492092 | ||||
| 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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