PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 25.0 OUNCES OZ, diameter: 3.310 INCHES MINIMUM AND 3.311 INCHES MAXIMUM IN, material: IRON CAST, head_style: CONTOUR, oil_groove: INCLUDED, skirt_type: SEMISPLIT. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-307-8821, 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 | 25.0 OUNCES OZ |
| diameter | 3.310 INCHES MINIMUM AND 3.311 INCHES MAXIMUM IN |
| material | IRON CAST |
| head_style | CONTOUR |
| oil_groove | INCLUDED |
| skirt_type | SEMISPLIT |
| carbon_groove | NOT INCLUDED |
| overall_height | 4.188 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | HOLE SECOND RING |
| pin_hole_bushing | NOT INCLUDED |
| unable_to_decode | UNABLE TO DECODE |
| NSN | 2815-00-307-8821 |
| HEAD STYLE | CONTOUR |
| OVERALL HEIGHT | 4.188 INCHES NOMINAL IN |
| GROOVE TAPER ANGLE | 15 DEG MIN,15 DEG 15 MINUTES MAX |
| MATERIAL | IRON CAST |
| RING GROOVE DIAMETER | 2.925 INCHES MINIMUM AND 2.935 INCHES MAXIMUM SECOND RING IN |
| UNABLE TO DECODE | UNABLE TO DECODE |
| SKIRT TYPE | SEMISPLIT |
| CARBON GROOVE | NOT INCLUDED |
| PIN HOLE BUSHING | NOT INCLUDED |
| OIL GROOVE | INCLUDED |