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) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-378-8739 (003788739) |
| NCB Code | USA (00) |
| Manufacturer | Wisconsin Motors Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | BEVELED FACE,DOUBLE SCRAPER |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 3.500 INCHES |
| ADTE | JOINT STYLE | DIAGONAL JOINT |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY |
| FEAT | SPECIAL FEATURES | VERTICAL JOINT OPTIONAL; STAMP TOP ON TOP SIDE OF RING |
| MATT | MATERIAL | IRON OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| Relevant Components for NSN - 2805-00-378-8739, 2805003788739 | ||||
| 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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