AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Guide Valve Stem |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-909-1897 (009091897) |
| NCB Code | USA (00) |
| Manufacturer | Perkins Engines Inc, Westerbeke Corporation, Daimler Chrysler, Atwood Fence Company Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.359 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.380 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 2.443 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.3140 INCHES NOMINAL |
| BDYS | COUNTERBORE LOCATION | AA END |
| BQDC | BORE COUNTERSINK | NOT INCLUDED |
| BQSF | BORE COUNTERBORE | INCLUDED |
| BQSK | BB END CHAMFER LENGTH | 0.125 INCHES NOMINAL |
| BQSL | BB END CHAMFER ANGLE IN DEG | 20.0 |
| BQSM | AA END CHAMFER LENGTH | 0.062 INCHES NOMINAL |
| BQSN | AA END CHAMFER ANGLE IN DEG | 45.0 |
| MATT | MATERIAL | IRON CAST |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 2815-00-909-1897, 2815009091897 | ||||
| 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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