| Item Name | Seat Valve |
| INC Code | 22113 |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-337-7129 (003377129) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Associated Parts Numbers of NSN 4820-00-337-7129 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| 40J278PC22 | northrop grumman systems corporation | seat valve | 90099 | A | A | RFQ |
| 40J278PC22 | westinghouse electric corp | seat valve | 79500 | A | A | RFQ |
| 1429338 | westinghouse electric corp | seat valve | 88657 | A | A | RFQ |
| 17E637PC22 | westinghouse electric corp | seat valve | 79500 | A | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.584 INCHES MINIMUM AND 2.604 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 2.129 INCHES MINIMUM AND 2.130 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 1.688 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 2.375 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-337-7129, 4820003377129 | ||||
| 4820-00-835-3873 (4820008353873) | 4820-01-431-2398 (4820014312398) | 4820-01-009-8942 (4820010098942) | 4820-01-273-3653 (4820012733653) | |
| 4820-01-274-9975 (4820012749975) | 4820-01-600-7663 (4820016007663) | 4820-01-338-4276 (4820013384276) | 4820-01-233-6683 (4820012336683) | |
| 4820-01-018-1584 (4820010181584) | 4820-01-322-8071 (4820013228071) | 4820-01-318-2830 (4820013182830) | 4820-01-340-5738 (4820013405738) | |
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