PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 75.0 OUNCES OZ, diameter: 4.500 INCHES NOMINAL IN, material: ALUMINUM, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-200-0068, 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 | 75.0 OUNCES OZ |
| diameter | 4.500 INCHES NOMINAL IN |
| material | ALUMINUM |
| head_style | FLAT |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 6.350 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 1.7500 INCHES MINIMUM AND 1.7505 INCHES MAXIMUM IN |
| special_features | RING GROOVES NO. 2,3,AND 4 CHAMFERED 30 DEG AT TOP OF RING GROOVES |
| NSN | 2815-00-200-0068 |
| RING GROOVE WIDTH | 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM FOURTH RING IN |
| RING GROOVE WIDTH | 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM THIRD RING IN |
| RING GROOVE QUANTITY | 6 |
| OVERALL HEIGHT | 6.350 INCHES NOMINAL IN |
| RING GROOVE WIDTH | 0.1280 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM SECOND RING IN |
| RING GROOVE DIAMETER | 4.090 INCHES MINIMUM AND 4.100 INCHES MAXIMUM FOURTH RING IN |
| RING GROOVE WIDTH | 0.1300 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM FIRST RING IN |
| RING GROOVE DIAMETER | 4.090 INCHES MINIMUM AND 4.100 INCHES MAXIMUM FIRST RING IN |
| RETAINING RING GROOVE | INCLUDED |
| PIN HOLE BUSHING | NOT INCLUDED |