| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-197-2882 (011972882) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Howden Fluid Systems, Meggitt Defense Systems Inc, Meggitt International Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.332 INCHES MINIMUM AND 0.336 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.337 INCHES MINIMUM AND 0.347 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | MODEL 2276,PUMP HYDRAULIC |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.235 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.265 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 17-4PH OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | RUBBER OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-01-197-2882, 4820011972882 | ||||
| 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) | |
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