PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 20.0 OUNCES OZ, diameter: 4.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, cut_depth: 1.050 INCHES NOMINAL IN, head_style: CONCAVE, oil_groove: NOT INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-351-7768, 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 | 20.0 OUNCES OZ |
| diameter | 4.000 INCHES NOMINAL IN |
| material | ALUMINUM ALLOY |
| cut_depth | 1.050 INCHES NOMINAL IN |
| head_style | CONCAVE |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 3.350 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 0.9100 INCHES NOMINAL IN |
| NSN | 2805-00-351-7768 |
| SKIRT TYPE | SOLID |
| MATERIAL | ALUMINUM ALLOY |
| PINHOLE DIAMETER | 0.9100 INCHES NOMINAL IN |
| SKIRT BOTTOM CUTAWAY FEATURE | INCLUDED |
| PIN | INCLUDED |
| CARBON GROOVE | NOT INCLUDED |
| RING GROOVE WIDTH | 0.1880 INCHES NOMINAL THIRD RING IN |
| WEIGHT | 20.0 OUNCES OZ |
| RING | NOT INCLUDED |
| RING GROOVE DIAMETER | 3.595 INCHES NOMINAL THIRD RING IN |