NLA139: GEAR,HELICAL.
The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, body_style: PLAIN, SOLID, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 28.0000 DEGREES, pitch_diameter: 4.2458 INCHES MINIMUM AND 4.2468 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-618-2164, 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 1035 OVERALL |
| body_style | PLAIN, SOLID |
| teeth_type | SINGLE HELIX |
| tooth_form | STANDARD |
| helix_angle | 28.0000 DEGREES |
| pitch_diameter | 4.2458 INCHES MINIMUM AND 4.2468 INCHES MAXIMUM IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 30 |
| hardness_rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| tooth_direction | LEFT |
| style_designator | PROTRUDING HUB |
| face_nominal_width | 0.875 INCHES IN |
| NSN | 3020-00-618-2164 |
| KEYWAY NOMINAL WIDTH | 0.189 INCHES BOTH ENDS IN |
| HELIX ANGLE | 28.0000 DEGREES |
| HUB NOMINAL DIAMETER | 3.750 INCHES FIRST END IN |
| TEETH QUANTITY | 30 |
| BODY STYLE | PLAIN, SOLID |
| TOOTH DIRECTION | LEFT |
| TEETH TYPE | SINGLE HELIX |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL OVERALL LENGTH | 1.000 INCHES IN |
| STYLE DESIGNATOR | PROTRUDING HUB |
No substitute or cross-reference records for this part.