PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 4.994 INCHES MINIMUM AND 4.995 INCHES MAXIMUM IN, material: ALUMINUM ALLOY, head_style: FLAT, oil_groove: INCLUDED, skirt_type: SOLID, carbon_groove: NOT INCLUDED. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-354-6307, 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 | 4.994 INCHES MINIMUM AND 4.995 INCHES MAXIMUM IN |
| material | ALUMINUM ALLOY |
| head_style | FLAT |
| oil_groove | INCLUDED |
| skirt_type | SOLID |
| carbon_groove | NOT INCLUDED |
| overall_height | 5.781 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | HOLE FOURTH RING |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 1.5000 INCHES NOMINAL IN |
| ring_groove_width | 0.1570 INCHES NOMINAL THIRD RING IN |
| NSN | 2805-00-354-6307 |
| RING GROOVE DIAMETER | 4.550 INCHES MINIMUM AND 4.560 INCHES MAXIMUM FIRST RING IN |
| SKIRT TYPE | SOLID |
| CARBON GROOVE | NOT INCLUDED |
| PINHOLE DIAMETER | 1.5000 INCHES NOMINAL IN |
| RING GROOVE WIDTH | 0.1570 INCHES NOMINAL SECOND RING IN |
| RING GROOVE DIAMETER | 4.550 INCHES MINIMUM AND 4.560 INCHES MAXIMUM THIRD RING IN |
| SURFACE FINISH | FINISHED |
| RING | NOT INCLUDED |
| OIL GROOVE | INCLUDED |
| HEAD STYLE | FLAT |