| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-657-1522 (006571522) |
| NCB Code | USA (00) |
| Manufacturer | Trac Regulators Inc, Lawler Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 1.750 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.879 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.375 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 58.000 NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 1.500 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | STEEL COMP 416 OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
| Components Related to NSN - 4820-00-657-1522, 4820006571522 | ||||
| 4810-01-278-5440 (4810012785440) | 4820-01-192-4196 (4820011924196) | 4820-00-965-8381 (4820009658381) | 4820-01-003-7863 (4820010037863) | |
| 4820-01-216-1156 (4820012161156) | 4820-01-357-3650 (4820013573650) | 4820-01-178-4887 (4820011784887) | 4810-01-057-7341 (4810010577341) | |
| 4820-01-367-9897 (4820013679897) | 4820-01-133-9054 (4820011339054) | 4820-01-383-5396 (4820013835396) | 4820-01-351-5405 (4820013515405) | |
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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