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) | 00-890-9946 (008909946) |
| NCB Code | USA (00) |
| Manufacturer | Dana Corp, Napasco International Inc, Spirolox Inc, Navistar Intl Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AJFY | SEAT ANGLE IN DEG | 40.0 |
| ALZD | STEM LENGTH | 5.2810 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0781 INCHES NOMINAL |
| AASK | HEAD STYLE | CONCAVE |
| AASU | HEAD HEIGHT | 0.1920 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.7343 INCHES NOMINAL |
| ADNA | MINOR OUTSIDE DIAMETER | 0.3710 INCHES NOMINAL |
| AGRA | MINOR DIAMETER LENGTH | 1.0000 INCHES NOMINAL |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.4062 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.4145 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.5469 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.7500 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3260 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3260 INCHES NOMINAL |
| ALZP | THIRD GROOVE DIAMETER | 0.0156 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.1250 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL,CORROSION RESISTING OVERALL |
| Relevant Components for NSN - 2805-00-890-9946, 2805008909946 | ||||
| 2805-01-240-6126 (2805012406126) | 2805-00-262-7518 (2805002627518) | 2815-01-248-8775 (2815012488775) | 2840-01-596-5492 (2840015965492) | |
| 2805-01-066-5405 (2805010665405) | 2840-01-617-3491 (2840016173491) | 2815-01-127-3597 (2815011273597) | 2805-01-066-4028 (2805010664028) | |
| 2825-00-025-9691 (2825000259691) | 2825-00-992-0632 (2825009920632) | 2815-00-361-9922 (2815003619922) | 2840-01-653-5046 (2840016535046) | |
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