The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620H OR STEEL COMP 8720H OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 26.1666 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-971-5020, 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 8620H OR STEEL COMP 8720H OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | INVOLUTE SPLINE BOTH ENDS |
| teeth_type | SINGLE HELIX |
| tooth_form | STANDARD |
| helix_angle | 26.1666 DEGREES |
| pitch_diameter | 4.2714 INCHES NOMINAL IN |
| pressure_angle | 17.5000 DEGREES |
| teeth_quantity | 23 |
| hardness_rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| spline_quantity | 22 BOTH ENDS |
| tooth_direction | LEFT |
| NSN | 3020-00-971-5020 |
| FACE NOMINAL WIDTH | 1.281 INCHES IN |
| NOMINAL OUTSIDE DIAMETER | 4.728 INCHES IN |
| SPLINE PITCH DIAMETER | 3.1429 INCHES NOMINAL BOTH ENDS IN |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| TEETH QUANTITY | 23 |
| TOOTH FORM | STANDARD |
| SPECIAL FEATURES | COUNTERORE 1ST END,DIA 3.344 IN. NOM BY 0.483 IN. NOM DEEP IN |
| SPLINE QUANTITY | 22 BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.890 INCHES FIRST END IN |
| HUB NOMINAL DIAMETER | 3.938 INCHES FIRST END IN |