| Item Name | Seatvalve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-716-8903 (007168903) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Rand Company, Curtiss Wright Electro Mechanical Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.124 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.562 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.250 NOMINAL INCHES |
| AJRM | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 7.500 NOMINAL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| 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 | QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-716-8903, 4820007168903 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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