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) | 00-354-4494 (003544494) |
| NCB Code | USA (00) |
| Manufacturer | Kaitlin Corp, Wausau Plant Machining Div, Eaton Corporation, Fwd Seagrave Holdings Lp, 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 | ||||
| 4810-00-872-2016 (4810008722016) | 4810-01-701-8537 (4810017018537) | 4820-01-147-9334 (4820011479334) | 4820-01-654-7545 (4820016547545) | |
| 4820-01-701-6726 (4820017016726) | 4820-01-310-4503 (4820013104503) | 4820-01-346-3872 (4820013463872) | 4820-01-477-2791 (4820014772791) | |
| 4810-01-665-1605 (4810016651605) | 4820-01-487-1839 (4820014871839) | 4820-01-528-2828 (4820015282828) | 4820-01-340-1265 (4820013401265) | |
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