COMMUNICATION-IDENTIFICATION-NAV. Key specifications include material: STEEL, arm_length: 1.660 INCHES NOMINAL IN, body_style: PLAIN, SOLID, bore_style: STRAIGHT SPLINE BOTH ENDS, teeth_type: STRAIGHT, pitch_angle: 55.4832 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-311-8691, 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 |
| arm_length | 1.660 INCHES NOMINAL IN |
| body_style | PLAIN, SOLID |
| bore_style | STRAIGHT SPLINE BOTH ENDS |
| teeth_type | STRAIGHT |
| pitch_angle | 55.4832 DEGREES |
| arm_diameter | 0.748 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| hub_thickness | 0.903 INCHES NOMINAL IN |
| pitch_diameter | 3.2180 INCHES NOMINAL IN |
| pressure_angle | 24.0000 DEGREES |
| teeth_quantity | 16 |
| spline_quantity | 12 BOTH ENDS |
| NSN | 3020-00-311-8691 |
| BORE NOMINAL DIAMETER | 1.3870 INCHES BOTH ENDS IN |
| FACE NOMINAL WIDTH | 0.8400 INCHES IN |
| NOMINAL OVERALL LENGTH | 1.904 INCHES IN |
| SPLINE QUANTITY | 12 BOTH ENDS |
| TEETH QUANTITY | 16 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 3.2180 INCHES NOMINAL IN |
| TEETH TYPE | STRAIGHT |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| HUB NOMINAL DIAMETER | 1.7440 INCHES SECOND END IN |