| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-354-4494 (003544494) |
| NCB Code | USA (00) |
| Manufacturer | Kaitlin Corp, Wausau Plant Machining Div, Fwd Seagrave Holdings Lp, Eaton Corporation, Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 1.754 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 1.375 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | COUNTERBORED OPPOSITE SEAT END 1.406 IN. DIA BY 0.062 IN. DEEP |
| MATT | MATERIAL | STEEL OR COBALT ALLOY BODY |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 4820-00-354-4494, 4820003544494 | ||||
| 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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