| Item Name | Valve Poppet Engine |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-994-4438 (009944438) |
| NCB Code | USA (00) |
| Manufacturer | Cummins Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.2150 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8700 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM |
| ADNA | MINOR OUTSIDE DIAMETER | 0.4315 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM |
| AGRA | MINOR DIAMETER LENGTH | 0.6400 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | INCLUDED |
| ALZB | NECK RADIUS | 0.6250 INCHES NOMINAL |
| ALZD | STEM LENGTH | 6.3750 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.4500 INCHES MINIMUM AND 0.4510 INCHES MAXIMUM |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.3437 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5312 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3630 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM |
| ALZN | SECOND GROOVE DIAMETER | 0.3630 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.5312 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.6250 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| Relevant Components for NSN - 2815-00-994-4438, 2815009944438 | ||||
| 2805-00-371-7568 (2805003717568) | 2835-00-626-9669 (2835006269669) | 2840-00-939-3493 (2840009393493) | 2840-01-321-1442 (2840013211442) | |
| 2825-00-309-1763 (2825003091763) | 2835-00-682-5353 (2835006825353) | 2815-00-139-3970 (2815001393970) | 2840-00-866-1571 (2840008661571) | |
| 2840-01-674-1631 (2840016741631) | 2840-01-310-6208 (2840013106208) | 2815-01-690-0888 (2815016900888) | 2835-01-177-9984 (2835011779984) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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