PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.4380 INCHES NOMINAL IN, hardness_rating: 160.0 BRINELL STANDARD MINIMUM OVERALL, keyway_dimension: 0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-7943, 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.
| material | COPPER ALLOY OVERALL |
| corner_shape | SQUARE ALL CORNERS |
| overall_length | 3.4380 INCHES NOMINAL IN |
| hardness_rating | 160.0 BRINELL STANDARD MINIMUM OVERALL |
| keyway_dimension | 0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| style_designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| features_provided | CASEHARDENED |
| body_inside_diameter | 1.2500 INCHES NOMINAL IN |
| body_outside_diameter | 1.6870 INCHES NOMINAL IN |
| NSN | 4320-00-398-7943 |
| KEYWAY DIMENSION | 0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| FEATURES PROVIDED | CASEHARDENED |
| CORNER SHAPE | SQUARE ALL CORNERS |
| HARDNESS RATING | 160.0 BRINELL STANDARD MINIMUM OVERALL |
| KEYWAY DIMENSION | 3.4380 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| BODY OUTSIDE DIAMETER | 1.6870 INCHES NOMINAL IN |
| BODY INSIDE DIAMETER | 1.2500 INCHES NOMINAL IN |
| STYLE DESIGNATOR | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| MATERIAL | COPPER ALLOY OVERALL |
| OVERALL LENGTH | 3.4380 INCHES NOMINAL IN |