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) | 00-005-7405 (000057405) |
| NCB Code | USA (00) |
| Manufacturer | Grimes Aerospace Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.384 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.125 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.153 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.405 INCHES MINIMUM AND 0.407 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-005-7405, 4820000057405 | ||||
| 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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