PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 27.0 OUNCES OZ, diameter: 3.900 INCHES NOMINAL IN, material: ALUMINUM ALLOY, cut_depth: 1.183 INCHES NOMINAL IN, head_style: FLAT, oil_groove: NOT INCLUDED. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-869-3493, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| weight | 27.0 OUNCES OZ |
| diameter | 3.900 INCHES NOMINAL IN |
| material | ALUMINUM ALLOY |
| cut_depth | 1.183 INCHES NOMINAL IN |
| head_style | FLAT |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 4.234 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | HOLE AND SLOT LOCATION NOT OTHERWISE SPECIFIED |
| pin_hole_bushing | NOT INCLUDED |
| NSN | 2805-00-869-3493 |
| OVERALL HEIGHT | 4.234 INCHES NOMINAL IN |
| RING GROOVE WIDTH | 0.0940 INCHES NOMINAL FIRST RING IN |
| RING GROOVE DIAMETER | 3.505 INCHES NOMINAL SECOND RING IN |
| SURFACE FINISH | FINISHED |
| MATERIAL | ALUMINUM ALLOY |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| OIL PASSAGE TYPE | HOLE AND SLOT LOCATION NOT OTHERWISE SPECIFIED |
| RETAINING RING GROOVE | INCLUDED |
| PINHOLE DIAMETER | 0.9020 INCHES NOMINAL IN |
| FINISHED SIZE DESIGNATION | STANDARD |