PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include angle: 30.0 DEGREES, wheel_style: SPECIAL "ZB", hole_diameter: 0.750 INCHES NOMINAL IN, wheel_diameter: 2.875 INCHES NOMINAL IN, mounting_method: THREADED INSERT, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 3460-00-491-0226, 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.
| angle | 30.0 DEGREES |
| wheel_style | SPECIAL "ZB" |
| hole_diameter | 0.750 INCHES NOMINAL IN |
| wheel_diameter | 2.875 INCHES NOMINAL IN |
| mounting_method | THREADED INSERT |
| thread_direction | RIGHT-HAND |
| overall_thickness | 2.312 INCHES NOMINAL IN |
| component_quantity | 12 |
| end_item_identification | VALVE SEAT GRINDING |
| nonsupply_items_and_quantities | O-RING 1; PLUNGER INSERT 1; ACTUATING ARM 1; ACTUATING ARM SOCKET 1; QUAD RING 1; SNAP RING 1; GROOVE PIN 4; ROUND SCREW 2 |
| thread_size_and_series/type_designator | 0.875-14 UNIFIED NATIONAL COARSE (UNC) |
| NSN | 3460-00-491-0226 |
| THREAD DIRECTION | RIGHT-HAND |
| HOLE DIAMETER | 0.750 INCHES NOMINAL IN |
| END ITEM IDENTIFICATION | VALVE SEAT GRINDING |
| WHEEL STYLE | SPECIAL "ZB" |
| WHEEL DIAMETER | 2.875 INCHES NOMINAL IN |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.875-14 UNIFIED NATIONAL COARSE (UNC) |
| ANGLE | 30.0 DEGREES |
| OVERALL THICKNESS | 2.312 INCHES NOMINAL IN |
| MOUNTING METHOD | THREADED INSERT |