| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-364-4373 (003644373) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Hatch And Kirk Inc, Korody Colyer Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.188 INCHES NOMINAL |
| ABND | TAPER LENGTH | 0.500 INCHES NOMINAL |
| ABQA | TAPER MINOR DIAMETER | 0.625 INCHES NOMINAL |
| ABQB | TAPER MAJOR DIAMETER | 0.781 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.781 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.437 INCHES MINIMUM SECOND STEP AND 0.438 INCHES MAXIMUM SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.531 INCHES NOMINAL FIRST STEP |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-364-4373, 4820003644373 | ||||
| 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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