508238: GEAR,HELICAL.
The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 20.0000 DEGREES, pitch_diameter: 19.6872 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 3020-01-239-6578, 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 OVERALL |
| bore_style | PLAIN BOTH ENDS |
| teeth_type | SINGLE HELIX |
| tooth_form | STANDARD |
| helix_angle | 20.0000 DEGREES |
| pitch_diameter | 19.6872 INCHES NOMINAL IN |
| pressure_angle | 20.0000 DEGREES |
| teeth_quantity | 111 |
| tooth_direction | RIGHT |
| style_designator | PROTRUDING HUB, RECESSED BODY |
| attachment_method | MOUNTING HOLE |
| features_provided | ALIGNMENT HOLE |
| NSN | 3020-01-239-6578 |
| BORE NOMINAL DIAMETER | 12.501 INCHES BOTH ENDS IN |
| HELIX ANGLE | 20.0000 DEGREES |
| TEETH QUANTITY | 111 |
| TOOTH DIRECTION | RIGHT |
| BORE STYLE | PLAIN BOTH ENDS |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 8 COUNTERBORED TRANSVERSELY THROUGH FACE |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| MOUNTING HOLE NOMINAL DIAMETER | 0.351 INCHES TRANSVERSELY THROUGH FACE IN |
| TEETH TYPE | SINGLE HELIX |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
No substitute or cross-reference records for this part.