AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Poppet Engine |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-774-4797 (007744797) |
| NCB Code | USA (00) |
| Manufacturer | L3 Technologies Inc, Eaton Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | HEAD HEIGHT | 0.2660 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.0200 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALZF | DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2500 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL AMS-5700 STEM |
| ANNQ | MATERIAL AND LOCATION | STEEL TPRK 98349 TIP |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 56.0 ROCKWELL C NOMINAL TIP |
| AASK | HEAD STYLE | CONCAVE |
| AAVZ | GROOVE DIAMETER | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM |
| ABGF | GROOVE WIDTH | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.2760 INCHES MINIMUM AND 2.2860 INCHES MAXIMUM |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.7500 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.5390 INCHES MINIMUM AND 5.5564 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.5575 INCHES MINIMUM AND 0.5580 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL AMS 5682 HEAD |
| ANNQ | MATERIAL AND LOCATION | STEEL EATONITE SEAT FACE 92856 |
| Relevant Components for NSN - 2805-00-774-4797, 2805007744797 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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