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) | 00-455-5606 (004555606) |
| NCB Code | USA (00) |
| Manufacturer | Cecom Lr Center, Military Specifications, Dresser Industries Inc, Engine And Equipment Products Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE,DOUBLE SCRAPER,VENTILATED OIL CONTROL |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1560 INCHES NOMINAL |
| ACXJ | OVERALL WIDTH | 0.1870 INCHES NOMINAL |
| ACXZ | STANDARD BORE DIAMETER | 4.000 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 10 SLOT HORIZONTALLY THROUGH RING |
| FEAT | SPECIAL FEATURES | FURNISHED WITH 1 RETAINING RING |
| MATT | MATERIAL | STEEL OVERALL |
| Relevant Components for NSN - 2815-00-455-5606, 2815004555606 | ||||
| 2815-01-550-2850 (2815015502850) | 2815-99-761-3525 (2815997613525) | 2815-01-498-1288 (2815014981288) | 2840-00-906-8973 (2840009068973) | |
| 2835-01-198-4808 (2835011984808) | 2815-01-396-5201 (2815013965201) | 2835-00-185-8498 (2835001858498) | 2840-01-114-2211 (2840011142211) | |
| 2835-00-004-2598 (2835000042598) | 2840-00-908-0586 (2840009080586) | 2840-00-780-4558 (2840007804558) | 2825-00-125-7119 (2825001257119) | |
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