PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.875 INCHES NOMINAL IN, material: ALUMINUM ALLOY, cut_depth: 0.970 INCHES NOMINAL IN, head_style: CONCAVE, oil_groove: INCLUDED, skirt_type: SOLID. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-220-1935, 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.
| diameter | 3.875 INCHES NOMINAL IN |
| material | ALUMINUM ALLOY |
| cut_depth | 0.970 INCHES NOMINAL IN |
| head_style | CONCAVE |
| oil_groove | INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 3.925 INCHES MINIMUM AND 3.935 INCHES MAXIMUM IN |
| surface_finish | FINISHED |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 0.9750 INCHES NOMINAL IN |
| ring_groove_width | 0.0940 INCHES NOMINAL SECOND RING IN |
| NSN | 2805-00-220-1935 |
| RING GROOVE DIAMETER | 3.438 INCHES MINIMUM AND 3.448 INCHES MAXIMUM SECOND RING IN |
| SURFACE FINISH | FINISHED |
| PIN HOLE BUSHING | NOT INCLUDED |
| RETAINING RING GROOVE | INCLUDED |
| RING GROOVE WIDTH | 0.0780 INCHES NOMINAL FIRST RING IN |
| PIN | INCLUDED |
| SURFACE TREATMENT | TIN |
| OIL GROOVE | INCLUDED |
| DIAMETER | 3.875 INCHES NOMINAL IN |
| OVERALL HEIGHT | 3.925 INCHES MINIMUM AND 3.935 INCHES MAXIMUM IN |