TC68PF040: PISTON,INTERNAL COMBUSTION ENGIN.
PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 72.25 OUNCES OZ, diameter: 4.750 INCHES NOMINAL IN, material: ALUMINUM, oversize: 0.040 INCHES NOMINAL IN, head_style: FLAT, oil_groove: NOT INCLUDED. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-735-0237, 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 | 72.25 OUNCES OZ |
| diameter | 4.750 INCHES NOMINAL IN |
| material | ALUMINUM |
| oversize | 0.040 INCHES NOMINAL IN |
| head_style | FLAT |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 5.938 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 1.4998 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN |
| NSN | 2805-00-735-0237 |
| OVERALL HEIGHT | 5.938 INCHES NOMINAL IN |
| FSC APPLICATION DATA | GASOLINE ENGINE,NONAIRCRAFT |
| CARBON GROOVE | NOT INCLUDED |
| RING GROOVE WIDTH | 0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM FOURTH RING IN |
| RING GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM SECOND RING IN |
| RING GROOVE WIDTH | 0.0970 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM FIRST RING IN |
| RING GROOVE WIDTH | 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM THIRD RING IN |
| RETAINING RING GROOVE | INCLUDED |
| SURFACE FINISH | FINISHED |
| RING GROOVE POSITION AND QUANTITY | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS |