| 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) | 00-740-1430 (007401430) |
| NCB Code | USA (00) |
| Manufacturer | Essex Industries Inc, Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.2187 INCHES NOMINAL |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZL | FIRST GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 34.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AATE | CHAMFER ANGLE IN DEG | 60.0 |
| AAZP | CHAMFER LENGTH | 9.1250 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.3387 INCHES MINIMUM AND 1.3587 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALZB | NECK RADIUS | 0.3125 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.3125 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM |
| ALZN | SECOND GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM |
| ALZR | SECOND GROOVE WIDTH | 0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM |
| Relevant Components for NSN - 2805-00-740-1430, 2805007401430 | ||||
| 2840-01-009-3688 (2840010093688) | 2835-00-937-7230 (2835009377230) | 2815-00-361-9060 (2815003619060) | 2825-00-146-1109 (2825001461109) | |
| 2840-01-346-6274 (2840013466274) | 2810-00-349-1393 (2810003491393) | 2815-01-384-8939 (2815013848939) | 2840-01-493-6629 (2840014936629) | |
| 2840-01-388-0186 (2840013880186) | 2815-01-320-8303 (2815013208303) | 2815-01-320-6195 (2815013206195) | 2805-00-132-4749 (2805001324749) | |
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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