| 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 | ||||
| 4820-00-775-3968 (4820007753968) | 4820-01-407-1380 (4820014071380) | 4810-01-384-9916 (4810013849916) | 4820-00-036-1498 (4820000361498) | |
| 4820-01-445-1127 (4820014451127) | 4820-01-431-0885 (4820014310885) | 4820-01-168-8308 (4820011688308) | 4820-00-967-1001 (4820009671001) | |
| 4820-01-136-3800 (4820011363800) | 4810-01-524-9684 (4810015249684) | 4820-01-068-2378 (4820010682378) | 4820-01-370-6648 (4820013706648) | |
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