| 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) | 00-131-1833 (001311833) |
| NCB Code | USA (00) |
| Manufacturer | Essex Industries Inc, Kohler Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1562 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAVZ | GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.3125 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.5720 INCHES MINIMUM AND 4.5820 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.3090 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.2812 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,AISI/SAE 3140 OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM STEM AND 45.0 ROCKWELL C MAXIMUM STEM |
| Relevant Components for NSN - 2805-00-131-1833, 2805001311833 | ||||
| 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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