27105B: GEAR,HELICAL.
The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 39.5167 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-243-7281, 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 |
| body_style | WEBBED, SOLID |
| bore_style | PLAIN BOTH ENDS |
| teeth_type | SINGLE HELIX |
| tooth_form | STANDARD |
| helix_angle | 39.5167 DEGREES |
| pitch_diameter | 4.0176 INCHES NOMINAL IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 31 |
| hardness_rating | 92.8 ROCKWELL C MINIMUM AND 99.0 ROCKWELL C MAXIMUM OVERALL |
| tooth_direction | RIGHT |
| style_designator | ONE FLUSH HUB, ONE RECESSED HUB |
| NSN | 3020-00-243-7281 |
| BORE NOMINAL DIAMETER | 0.875 INCHES BOTH ENDS IN |
| HELIX ANGLE | 39.5167 DEGREES |
| HUB NOMINAL DIAMETER | 1.8125 INCHES BOTH ENDS IN |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.0615 INCHES SECOND END IN |
| TEETH QUANTITY | 31 |
| BODY STYLE | WEBBED, SOLID |
| TOOTH DIRECTION | RIGHT |
| BORE STYLE | PLAIN BOTH ENDS |
| TEETH TYPE | SINGLE HELIX |
| HARDNESS RATING | 92.8 ROCKWELL C MINIMUM AND 99.0 ROCKWELL C MAXIMUM OVERALL |
No substitute or cross-reference records for this part.