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 | Cecom Lr Center, Military Specifications, Cummins Incorporated |
| 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 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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