AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-571-3734 (005713734) |
| NCB Code | USA (00) |
| Manufacturer | Kornylak Corporation, General Electric Company, Opcon Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 5.775 INCHES MINIMUM AND 5.776 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 4.560 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 3.438 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.180 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 1.060 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 1.320 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| MATT | MATERIAL | ROD,WELDING,SURFACING FACE |
| MATT | MATERIAL | STEEL BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18410,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-571-3734, 4820005713734 | ||||
| 4820-01-437-8926 (4820014378926) | 4820-01-258-2410 (4820012582410) | 4820-00-432-1714 (4820004321714) | 4820-01-271-9629 (4820012719629) | |
| 4820-01-578-9600 (4820015789600) | 4820-00-092-6590 (4820000926590) | 4820-01-417-2811 (4820014172811) | 4820-01-365-0880 (4820013650880) | |
| 4820-01-697-1452 (4820016971452) | 4820-15-149-7310 (4820151497310) | 4820-00-506-2869 (4820005062869) | 4820-00-330-9420 (4820003309420) | |
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