PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 4.000 INCHES NOMINAL IN, cut_depth: 1.125 INCHES NOMINAL IN, head_style: DISH, oil_groove: INCLUDED, skirt_type: SOLID, carbon_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 2805-01-020-7113, 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 | 4.000 INCHES NOMINAL IN |
| cut_depth | 1.125 INCHES NOMINAL IN |
| head_style | DISH |
| oil_groove | INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 3.750 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | SLOT THIRD RING |
| pin_hole_bushing | NOT INCLUDED |
| ring_groove_width | 0.0940 INCHES NOMINAL FIRST RING IN |
| ring_groove_diameter | 3.625 INCHES NOMINAL FIRST RING IN |
| NSN | 2805-01-020-7113 |
| HEAD STYLE | DISH |
| RING GROOVE DIAMETER | 3.625 INCHES NOMINAL SECOND RING IN |
| RING GROOVE WIDTH | 0.0940 INCHES NOMINAL FIRST RING IN |
| RING GROOVE WIDTH | 0.0940 INCHES NOMINAL SECOND RING IN |
| SKIRT TYPE | SOLID |
| DISTANCE BETWEEN PIN BOSSES | 1.375 INCHES NOMINAL IN |
| CARBON GROOVE | NOT INCLUDED |
| RING GROOVE WIDTH | 0.1875 INCHES NOMINAL THIRD RING IN |
| RING GROOVE DIAMETER | 3.625 INCHES NOMINAL THIRD RING IN |
| PIN | INCLUDED |