PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.997 INCHES NOMINAL IN, material: IRON CAST, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID, carbon_groove: 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 2815-00-453-9067, 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 | 3.997 INCHES NOMINAL IN |
| material | IRON CAST |
| head_style | FLAT |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | INCLUDED |
| overall_height | 5.500 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | HOLE SIXTH RING |
| pin_hole_bushing | INCLUDED |
| pinhole_diameter | 1.6262 INCHES MINIMUM AND 1.6268 INCHES MAXIMUM IN |
| unable_to_decode | UNABLE TO DECODE |
| NSN | 2815-00-453-9067 |
| SURFACE FINISH | FINISHED |
| RING GROOVE DIAMETER | 3.602 INCHES MINIMUM AND 3.612 INCHES MAXIMUM SECOND RING IN |
| DIAMETER | 3.997 INCHES NOMINAL IN |
| RING GROOVE WIDTH | 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM FOURTH RING IN |
| RING GROOVE DIAMETER | 3.602 INCHES MINIMUM AND 3.612 INCHES MAXIMUM THIRD RING IN |
| RING GROOVE WIDTH | 0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM FIFTH RING IN |
| RING GROOVE WIDTH | 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM SECOND RING IN |
| RING GROOVE WIDTH | 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM THIRD RING IN |
| RING GROOVE WIDTH | 0.1480 INCHES NOMINAL FIRST RING IN |
| RING GROOVE WIDTH | 0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM SIXTH RING IN |