AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-863-5949 (008635949) |
| NCB Code | USA (00) |
| Manufacturer | Hatch And Kirk Inc, Fairbanks Morse Llc, Coltec Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | CONCAVE |
| ABKW | OVERALL HEIGHT | 8.400 INCHES NOMINAL |
| ABMZ | DIAMETER | 5.250 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE |
| ACXU | PINHOLE DIAMETER | 2.0000 INCHES NOMINAL |
| AXFR | FINISHED SIZE DESIGNATION | STANDARD |
| AXGB | RING GROOVE WIDTH | 0.2560 INCHES NOMINAL AND 0.2470 INCHES NOMINAL AND 0.1850 INCHES NOMINAL |
| AXGD | RING GROOVE DIAMETER | 4.783 INCHES NOMINAL AND 4.775 INCHES NOMINAL AND 4.763 INCHES NOMINAL |
| AXPH | OIL GROOVE | NOT INCLUDED |
| AXPL | PIN HOLE BUSHING | INCLUDED |
| AXPP | PIN | NOT INCLUDED |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | FLOATING |
| AXPR | RING | NOT INCLUDED |
| SFTT | SURFACE TREATMENT | OXIDE |
| AGYE | SURFACE FINISH | FINISHED |
| AXFT | SKIRT TYPE | SOLID |
| AXFX | SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| AXFZ | RING GROOVE QUANTITY | 6 |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,NUMBER 5,AND NUMBER 6 ALL RINGS |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 5.100 INCHES NOMINAL |
| AXPM | DISTANCE BETWEEN PIN BOSSES | 1.885 INCHES NOMINAL |
| AXPN | RETAINING RING GROOVE | NOT INCLUDED |
| BQBL | CARBON GROOVE | NOT INCLUDED |
| MATT | MATERIAL | IRON CAST |
| WGHT | WEIGHT | 240.0 OUNCES |
| Relevant Components for NSN - 2815-00-863-5949, 2815008635949 | ||||
| 2805-00-164-1620 (2805001641620) | 2815-01-207-9726 (2815012079726) | 2825-00-377-3256 (2825003773256) | 2805-01-195-3494 (2805011953494) | |
| 2840-00-966-8075 (2840009668075) | 2840-01-467-5221 (2840014675221) | 2815-99-534-5610 (2815995345610) | 2840-01-657-1001 (2840016571001) | |
| 2840-00-869-7004 (2840008697004) | 2840-01-414-6654 (2840014146654) | 2840-00-704-1319 (2840007041319) | 2840-00-869-9397 (2840008699397) | |
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