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) | 00-931-2186 (009312186) |
| NCB Code | USA (00) |
| Manufacturer | Velan Valve Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.312 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 0.281 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 36.000 NOMINAL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.343 NOMINAL INCHES FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.688 NOMINAL INCHES SECOND STEP |
| MATT | MATERIAL | COBALT ALLOY FACE |
| MATT | MATERIAL | STEEL COMP 416 BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-931-2186, 4820009312186 | ||||
| 4810-01-097-1150 (4810010971150) | 4820-00-937-5914 (4820009375914) | 4820-00-079-0266 (4820000790266) | 4820-00-216-0126 (4820002160126) | |
| 4810-00-818-7576 (4810008187576) | 4820-01-172-6253 (4820011726253) | 4820-01-436-5947 (4820014365947) | 4820-01-367-9903 (4820013679903) | |
| 4820-00-411-2039 (4820004112039) | 4820-01-100-9100 (4820011009100) | 4810-01-509-0949 (4810015090949) | 4820-01-419-1626 (4820014191626) | |
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