AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-962-5618 (009625618) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Cummins Incorporated, Cecom Lr Center |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | INSIDE COUNTERBORE,KEYSTONE,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1990 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1220 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 5.500 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| AGAV | END ITEM IDENTIFICATION | TRUCK,WRECKER,5-TON (M936) |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| MATT | MATERIAL | IRON OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE IRON OVERALL |
| ZZZV | FSC APPLICATION DATA | DIESEL ENGINE |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | PARAGRAPH 4 |
| Relevant Components for NSN - 2815-00-962-5618, 2815009625618 | ||||
| 2815-00-587-2288 (2815005872288) | 2825-00-373-0629 (2825003730629) | 2805-01-253-0351 (2805012530351) | 2840-00-912-0730 (2840009120730) | |
| 2805-00-963-9712 (2805009639712) | 2840-01-085-4636 (2840010854636) | 2805-00-517-9907 (2805005179907) | 2835-00-654-6751 (2835006546751) | |
| 2840-01-500-4652 (2840015004652) | 2840-00-859-6803 (2840008596803) | 2835-01-013-4748 (2835010134748) | 2815-00-511-2612 (2815005112612) | |
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