TG2487: GEAR,HELICAL.
The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340H OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 16.4556 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-091-7817, 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 4340H OVERALL |
| body_style | WEBBED, SOLID |
| bore_style | PLAIN BOTH ENDS |
| teeth_type | SINGLE HELIX |
| tooth_form | STANDARD |
| helix_angle | 16.4556 DEGREES |
| pitch_diameter | 6.5000 INCHES NOMINAL IN |
| pressure_angle | 19.2416 DEGREES |
| teeth_quantity | 48 |
| tooth_direction | LEFT |
| style_designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| attachment_method | MOUNTING HOLE |
| NSN | 3020-00-091-7817 |
| BORE NOMINAL DIAMETER | 3.1250 INCHES BOTH ENDS IN |
| HELIX ANGLE | 16.4556 DEGREES |
| HUB NOMINAL DIAMETER | 4.875 INCHES SECOND END IN |
| BACKLASH DESIGNATION | GRADE A |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.171 INCHES SECOND END IN |
| TEETH QUANTITY | 48 |
| BODY STYLE | WEBBED, SOLID |
| COUNTERBORE NOMINAL DIAMETER | 3.543 INCHES SECOND END IN |
| TOOTH DIRECTION | LEFT |
| BORE STYLE | PLAIN BOTH ENDS |