| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-399-4460 (003994460) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1505659 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 1505659 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 911C931PC6 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 911C931PC6 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM |
| ABQA | TAPER MINOR DIAMETER | 0.375 INCHES NOMINAL |
| ABQB | TAPER MAJOR DIAMETER | 0.531 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.625 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.531 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| FEAT | SPECIAL FEATURES | THIS IS A REPAIR PART AND 0.125 IN.EXCESS IS LEFT ON OUTSIDE DIAMETER AND 0.063 IN. ON ALL OTHER SURFACES IN ORDER THAT THEY MIGHT BE MACHINED TO PROPER DIMENSIONS WHEN REPLACING WORN PART. GRIND AFTER STELLITING. FINISHED OUTSIDE DIAMETER |
| MATT | MATERIAL | STEEL COMP 410 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-00763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 4820-00-399-4460, 4820003994460 | ||||
| 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.
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