The 128996H is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: WEBBED, OFFSET, SOLID, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: SPECIAL, pitch_diameter: 1.8330 INCHES NOMINAL IN, pressure_angle: 25.0000 DEGREES. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-350-2976, 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 | STEEL COMP 4140 OVERALL |
| body_style | WEBBED, OFFSET, SOLID |
| bore_style | W/ KEYWAY BOTH ENDS |
| tooth_form | SPECIAL |
| pitch_diameter | 1.8330 INCHES NOMINAL IN |
| pressure_angle | 25.0000 DEGREES |
| teeth_quantity | 44 |
| style_designator | PROTRUDING HUBS |
| face_nominal_width | 0.302 INCHES IN |
| hub_nominal_diameter | 0.750 INCHES BOTH ENDS IN |
| hub_style_designator | PLAIN BOTH ENDS |
| keyway_nominal_width | 0.125 INCHES BOTH ENDS IN |
| NSN | 2520-00-350-2976 |