| 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) | 00-858-8120 (008588120) |
| NCB Code | USA (00) |
| Manufacturer | Trw Limited, Holt Bros, Gould Inc, Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ALZD | STEM LENGTH | 6.3870 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3050 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C MINIMUM OVERALL AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| AASU | HEAD HEIGHT | 0.1500 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.8950 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZE | STEM DIAMETER | 0.3720 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2350 INCHES NOMINAL |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.3940 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.0650 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.0650 INCHES NOMINAL |
| Relevant Components for NSN - 2815-00-858-8120, 2815008588120 | ||||
| 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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