DRIVE,CONSTANT SPEED,MECHANICAL. Key specifications include material: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.4250 INCHES NOMINAL IN, pressure_angle: 20.0000 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 3020-00-853-6588, 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 | COPPER ALLOY OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | PLAIN BOTH ENDS |
| tooth_form | STANDARD |
| pitch_diameter | 0.4250 INCHES NOMINAL IN |
| pressure_angle | 20.0000 DEGREES |
| teeth_quantity | 34 |
| style_designator | PROTRUDING HUB |
| face_nominal_width | 0.062 INCHES IN |
| hub_nominal_diameter | 0.312 INCHES FIRST END IN |
| hub_style_designator | PLAIN FIRST END |
| bore_nominal_diameter | 0.250 INCHES BOTH ENDS IN |
| NSN | 3020-00-853-6588 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| TOOTH FORM | STANDARD |
| NOMINAL OUTSIDE DIAMETER | 0.450 INCHES IN |
| PRECISION CLASSIFICATION | QUALITY NUMBER 5 OR QUALITY NUMBER 6 |
| HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END IN |
| FACE NOMINAL WIDTH | 0.062 INCHES IN |
| PITCH DIAMETER | 0.4250 INCHES NOMINAL IN |
| MATERIAL | COPPER ALLOY OVERALL |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.234 INCHES FIRST END IN |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS IN |