| 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 | ||||
| 2825-00-450-6998 (2825004506998) | 2840-01-657-1003 (2840016571003) | 2805-01-344-1834 (2805013441834) | 2805-00-273-0393 (2805002730393) | |
| 2840-01-215-7605 (2840012157605) | 2840-01-311-0309 (2840013110309) | 2840-00-484-4314 (2840004844314) | 2835-01-083-8229 (2835010838229) | |
| 2815-00-994-7643 (2815009947643) | 2840-01-267-7701 (2840012677701) | 2840-01-522-0897 (2840015220897) | 2840-01-597-6003 (2840015976003) | |
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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