| Item Name | Seat Valve |
| 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 | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1429338 | westinghouse electric corp | seat valve | 88657 | RFQ |
| 17E637PC22 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 40J278PC22 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 40J278PC22 | westinghouse electric corp | seat valve | 79500 | 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 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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.
Request for Quote
