A58903A: PISTON,INTERNAL COMBUSTION ENGIN.
PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 1.750 INCHES NOMINAL IN, material: ALUMINUM, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID, carbon_groove: NOT INCLUDED. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-978-7294, 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 | 1.750 INCHES NOMINAL IN |
| material | ALUMINUM |
| head_style | FLAT |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 1.500 INCHES NOMINAL IN |
| surface_finish | SEMIFINISHED |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 0.3750 INCHES NOMINAL IN |
| ring_groove_width | 0.06250 INCHES NOMINAL SECOND RING IN |
| ring_groove_diameter | 1.562 INCHES NOMINAL ALL RINGS IN |
| NSN | 2805-00-978-7294 |
| OVERALL HEIGHT | 1.500 INCHES NOMINAL IN |
| CARBON GROOVE | NOT INCLUDED |
| RING GROOVE WIDTH | 0.06250 INCHES NOMINAL FIRST RING IN |
| RING GROOVE WIDTH | 0.06250 INCHES NOMINAL SECOND RING IN |
| DISTANCE BETWEEN PIN BOSSES | 0.625 INCHES NOMINAL IN |
| RETAINING RING GROOVE | NOT INCLUDED |
| SURFACE FINISH | SEMIFINISHED |
| DIAMETER | 1.750 INCHES NOMINAL IN |
| RING GROOVE DIAMETER | 1.562 INCHES NOMINAL ALL RINGS IN |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 0.750 INCHES NOMINAL IN |