| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-702-0271 (007020271) |
| NCB Code | USA (00) |
| Manufacturer | Donallco Inc, Hamilton Sundstrand Corporation, Ontic Engineering And Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.115 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.683 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.939 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 60.000 NOMINAL |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.626 INCHES NOMINAL FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.752 INCHES NOMINAL THIRD STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.812 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | STEEL OVERALL |
| Relevant Components for NSN - 4820-00-702-0271, 4820007020271 | ||||
| 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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