| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-037-5576 (000375576) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Pratt And Whitney Canada Inc, Aircraft Supplies |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.830 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.435 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.140 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| CQFM | HARDNESS RATING | 90.0 ROCKWELL B MINIMUM OVERALL AND 105.0 ROCKWELL B MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | 2.276 INCHES MINIMUM THIRD STEP AND 2.286 INCHES MAXIMUM THIRD STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 2.335 INCHES MINIMUM SECOND STEP AND 2.345 INCHES MAXIMUM SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 2.665 INCHES MINIMUM FIRST STEP AND 2.675 INCHES MAXIMUM FIRST STEP |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| ZZZV | FSC APPLICATION DATA | ACFT ENG R2800 |
| Relevant Components for NSN - 4820-00-037-5576, 4820000375576 | ||||
| 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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