EA2878: GEAR,SPUR.
The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 4.2450 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-429-7368, 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 | PLAIN, SOLID |
| bore_style | W/ KEYWAY BOTH ENDS |
| tooth_form | STANDARD |
| pitch_diameter | 4.2450 INCHES MINIMUM AND 4.2500 INCHES MAXIMUM IN |
| pressure_angle | 20.0000 DEGREES |
| teeth_quantity | 17 |
| hardness_rating | 48.4 ROCKWELL C MINIMUM AND 62.2 ROCKWELL C MAXIMUM OVERALL |
| style_designator | PROTRUDING HUBS |
| face_nominal_width | 2.250 INCHES IN |
| hub_nominal_diameter | 2.750 INCHES FIRST END IN |
| hub_style_designator | PLAIN BOTH ENDS |
| NSN | 3020-00-429-7368 |
| KEYWAY NOMINAL WIDTH | 0.375 INCHES BOTH ENDS IN |
| BORE NOMINAL DIAMETER | 4.645 INCHES BOTH ENDS IN |
| HUB NOMINAL DIAMETER | 2.750 INCHES FIRST END IN |
| HUB NOMINAL DIAMETER | 2.750 INCHES SECOND END IN |
| TEETH QUANTITY | 17 |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES BOTH ENDS IN |
| HARDNESS RATING | 48.4 ROCKWELL C MINIMUM AND 62.2 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL OVERALL LENGTH | 2.750 INCHES IN |
No substitute or cross-reference records for this part.