| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-898-8627 (008988627) |
| NCB Code | USA (00) |
| Manufacturer | Cecilware Corp, Royson Engineering Company, United Technologies Corporation, Arrow Pneumatics Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2.494 INCHES MINIMUM AND 2.496 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 1.230 INCHES MINIMUM AND 1.234 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 1.290 INCHES MINIMUM AND 1.350 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 35.000 ROCKWELL C MINIMUM OVERALL AND 40.000 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | STEEL OVERALL |
| ZZZV | FSC APPLICATION DATA | OIL FILTER VALVE,ACFT ENGINE |
| Components Related to NSN - 4820-00-898-8627, 4820008988627 | ||||
| 4820-01-207-4765 (4820012074765) | 4810-01-288-4028 (4810012884028) | 4820-01-448-5478 (4820014485478) | 4820-01-669-0039 (4820016690039) | |
| 4820-00-289-0856 (4820002890856) | 4820-01-349-7107 (4820013497107) | 4820-01-251-6138 (4820012516138) | 4810-01-615-6216 (4810016156216) | |
| 4820-01-038-5445 (4820010385445) | 4820-01-171-6472 (4820011716472) | 4810-01-534-9910 (4810015349910) | 4820-01-254-9633 (4820012549633) | |
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