| Item Name | Seatvalve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-388-1321 (003881321) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1504440 | westinghouse electric corp | seatvalve | 79500 | RFQ |
| 905J632PC24 | westinghouse electric corp | seatvalve | 79500 | RFQ |
| 95-J-575-25 | westinghouse electric corp | seatvalve | 79500 | RFQ |
| 95J563PC206 | westinghouse electric corp | seatvalve | 79500 | RFQ |
| 95J575PC25 | northrop grumman systems corporation | seatvalve | 90099 | RFQ |
| 95J575PC25 | westinghouse electric corp | seatvalve | 11660 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 1.443 INCHES MINIMUM AND 1.447 INCHES MAXIMUM |
| AJFZ | SEAT RADIUS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 1.438 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| MATT | MATERIAL | CHROMIUM ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-00-388-1321, 4820003881321 | ||||
| 4820-00-768-0509 (4820007680509) | 4820-01-572-6332 (4820015726332) | 4810-01-388-5111 (4810013885111) | 4820-00-001-1674 (4820000011674) | |
| 4820-01-417-3999 (4820014173999) | 4820-00-988-9195 (4820009889195) | 4820-01-651-5916 (4820016515916) | 4810-01-291-5811 (4810012915811) | |
| 4820-01-382-3164 (4820013823164) | 4820-01-070-6082 (4820010706082) | 4820-01-363-1911 (4820013631911) | 4820-01-312-8350 (4820013128350) | |
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