PARTS KIT,HYDRAULIC BRAKE MASTER. Key specifications include material: STEEL COMP 1141 OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STUB, helix_angle: 34.6283 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 1680-00-387-4989, 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 1141 OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | W/ KEYWAY BOTH ENDS |
| teeth_type | SINGLE HELIX |
| tooth_form | STUB |
| helix_angle | 34.6283 DEGREES |
| pitch_diameter | 4.3750 INCHES NOMINAL IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 36 |
| hardness_rating | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| tooth_direction | LEFT |
| style_designator | PROTRUDING HUB |
| NSN | 1680-00-387-4989 |