| 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) | 00-733-2661 (007332661) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Flight Systems Shelby, Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM |
| AAVZ | GROOVE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM |
| ABGF | GROOVE WIDTH | 0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ALZB | NECK RADIUS | 0.4400 INCHES NOMINAL |
| ALZD | STEM LENGTH | 5.9110 INCHES MINIMUM AND 5.9210 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,SAE HNV4 HEAD |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,SAE HNV4 STEM |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,SAE HNV4 TIP |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZE | STEM DIAMETER | 0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL SEAT FACE |
| Relevant Components for NSN - 2815-00-733-2661, 2815007332661 | ||||
| 2835-00-219-2995 (2835002192995) | 2840-01-553-8583 (2840015538583) | 2810-00-321-3087 (2810003213087) | 2840-00-730-8469 (2840007308469) | |
| 2805-01-523-8375 (2805015238375) | 2840-01-588-3572 (2840015883572) | 2825-00-961-8353 (2825009618353) | 2815-00-970-8934 (2815009708934) | |
| 2815-01-341-8674 (2815013418674) | 2840-00-602-6043 (2840006026043) | 2835-01-146-3530 (2835011463530) | 2825-00-147-5712 (2825001475712) | |
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