| 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) | 00-757-4087 (007574087) |
| NCB Code | USA (00) |
| Manufacturer | Spirolox Inc, Spx Corporation, Trw Limited, General Motors Corp, Bosch Automotive Service Solutions |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| V2552 | spirolox inc | valve poppet engine | RFQ |
| V-2072 | spx corporation | valve poppet engine | RFQ |
| V-2552 | trw limited | valve poppet engine | RFQ |
| 14075641 | general motors corp | valve poppet engine | RFQ |
| 3989085 | general motors corp | valve poppet engine | RFQ |
| V-2072 | bosch automotive service solutions | valve poppet engine | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | DOUBLE GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZJ | DISTANCE FROM SECOND GROOVE TO STEM END | 0.5220 INCHES NOMINAL |
| ALZR | SECOND GROOVE WIDTH | 0.1000 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AASK | HEAD STYLE | CONCAVE |
| AASU | HEAD HEIGHT | 0.1350 INCHES NOMINAL |
| AAZP | CHAMFER LENGTH | 0.0325 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.9400 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.7360 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3400 INCHES NOMINAL |
| ALZH | DISTANCE FROM FIRST GROOVE TO STEM END | 0.2620 INCHES NOMINAL |
| ALZL | FIRST GROOVE DIAMETER | 0.3020 INCHES NOMINAL |
| ALZN | SECOND GROOVE DIAMETER | 0.3010 INCHES NOMINAL |
| ALZQ | FIRST GROOVE WIDTH | 0.1960 INCHES NOMINAL |
| Relevant Components for NSN - 2805-00-757-4087, 2805007574087 | ||||
| 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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