12000550: GEAR,INTERNAL.
The GEAR,INTERNAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8640 OVERALL, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE FIRST END, teeth_type: STRAIGHT, pitch_diameter: 5.6000 INCHES NOMINAL IN, pressure_angle: 30.0000 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-01-028-0888, 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 4140 OR STEEL COMP 8640 OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | W/COUNTERBORE FIRST END |
| teeth_type | STRAIGHT |
| pitch_diameter | 5.6000 INCHES NOMINAL IN |
| pressure_angle | 30.0000 DEGREES |
| teeth_quantity | 84 |
| special_features | 148 INTERNAL INVOLUTE SPLINES 1.440 IN.LG;6.1666 IN.PITCH DIA;PRESSURE ANGLE 30 DEG;SIDE CLASS 5 IN |
| style_designator | PLAIN RING |
| attachment_method | PRESS FIT |
| features_provided | FILLED MARKINGS |
| backlash_designation | GRADE A |
| NSN | 3020-01-028-0888 |
| BORE NOMINAL DIAMETER | 5.493 INCHES FIRST END IN |
| HUB NOMINAL DIAMETER | 6.068 INCHES FIRST END IN |
| BACKLASH DESIGNATION | GRADE A |
| TEETH QUANTITY | 84 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 FN5.3.2.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| BODY STYLE | PLAIN, SOLID |
| COUNTERBORE NOMINAL DIAMETER | 5.865 INCHES FIRST END IN |
| BORE STYLE | W/COUNTERBORE FIRST END |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| TEETH TYPE | STRAIGHT |
No substitute or cross-reference records for this part.