PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include angle: 30.0 DEGREES, wheel_style: SPECIAL "ZB", hole_diameter: 0.750 INCHES NOMINAL IN, wheel_diameter: 2.750 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 3460-00-491-0224, 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 | 2.750 INCHES NOMINAL IN |
| mounting_method | THREADED INSERT |
| thread_direction | RIGHT-HAND |
| overall_thickness | 2.188 INCHES NOMINAL IN |
| component_quantity | 10 |
| end_item_identification | VALVE SEAT GRINDING |
| nonsupply_items_and_quantities | GROOVE PIN 2; O-RING 3; SPIRAL PIN 1; 4-WAY VALVE 1; 4-WAY VALVE SPRING 1; GASKET 1; STRAINER ASSY 1 |
| thread_size_and_series/type_designator | 0.875-14 UNIFIED NATIONAL COARSE (UNC) |
| NSN | 3460-00-491-0224 |
| HOLE DIAMETER | 0.750 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL THICKNESS | 2.188 INCHES NOMINAL IN |
| WHEEL STYLE | SPECIAL "ZB" |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.875-14 UNIFIED NATIONAL COARSE (UNC) |
| WHEEL DIAMETER | 2.750 INCHES NOMINAL IN |
| ANGLE | 30.0 DEGREES |
| MOUNTING METHOD | THREADED INSERT |
| END ITEM IDENTIFICATION | VALVE SEAT GRINDING |