| 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 |
| Components Related to NSN - 4820-00-702-0271, 4820007020271 | ||||
| 4820-00-768-0509 (4820007680509) | 4820-01-572-6332 (4820015726332) | 4810-01-388-5111 (4810013885111) | 4820-00-001-1674 (4820000011674) | |
| 4820-01-417-3999 (4820014173999) | 4820-00-988-9195 (4820009889195) | 4820-01-651-5916 (4820016515916) | 4810-01-291-5811 (4810012915811) | |
| 4820-01-382-3164 (4820013823164) | 4820-01-070-6082 (4820010706082) | 4820-01-363-1911 (4820013631911) | 4820-01-312-8350 (4820013128350) | |
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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