| Item Name | Piston Internal Combustion Engin |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-803-5573 (008035573) |
| NCB Code | USA (00) |
| Manufacturer | Napco International Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 6.362 INCHES NOMINAL |
| AGYE | SURFACE FINISH | FINISHED |
| AXFT | SKIRT TYPE | SOLID |
| AXFZ | RING GROOVE QUANTITY | 6 |
| AXGD | RING GROOVE DIAMETER | 4.098 INCHES NOMINAL |
| AXPH | OIL GROOVE | NOT INCLUDED |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 4.162 INCHES NOMINAL |
| AXPP | PIN | INCLUDED |
| FEAT | SPECIAL FEATURES | 4 COMPRESSION RINGS,2 WIPER RINGS |
| AASK | HEAD STYLE | FLAT |
| ABMZ | DIAMETER | 4.492 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE |
| ACXU | PINHOLE DIAMETER | 1.7450 INCHES NOMINAL |
| AXFR | FINISHED SIZE DESIGNATION | STANDARD |
| AXFX | SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| AXGB | RING GROOVE WIDTH | 0.1300 INCHES NOMINAL |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NUMBERS 1,2,3,4,5 AND 6 ALL RINGS |
| AXPL | PIN HOLE BUSHING | NOT INCLUDED |
| AXPM | DISTANCE BETWEEN PIN BOSSES | 1.875 INCHES NOMINAL |
| AXPN | RETAINING RING GROOVE | NOT INCLUDED |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | LOCKING |
| AXPR | RING | INCLUDED |
| BQBL | CARBON GROOVE | NOT INCLUDED |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| SFTT | SURFACE TREATMENT | OXIDE |
| WGHT | WEIGHT | 82.0 OUNCES |
| Relevant Components for NSN - 2815-00-803-5573, 2815008035573 | ||||
| 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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