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) | 01-271-3742 (012713742) |
| NCB Code | USA (01) |
| Manufacturer | Bfm Energy Products Corp, Ge Aviation Systems Ltd, Derlan Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 3.240 INCHES MINIMUM AND 3.255 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 2.763 INCHES MINIMUM AND 2.773 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 1.896 INCHES MINIMUM AND 1.898 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 2.570 INCHES MINIMUM AND 2.573 INCHES MAXIMUM |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| FEAT | SPECIAL FEATURES | THREADED UNDER FLANGE 3.000-8UN-2A,0.697 IN. DEEP NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-01-271-3742, 4820012713742 | ||||
| 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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