27478C: GEAR,SPUR.
The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 11.8450 INCHES MINIMUM AND 11.8550 INCHES MAXIMUM IN, pressure_angle: 14.5000 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-200-2178, 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 1050 OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | PLAIN BOTH ENDS |
| tooth_form | STANDARD |
| pitch_diameter | 11.8450 INCHES MINIMUM AND 11.8550 INCHES MAXIMUM IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 97 |
| hardness_rating | 33.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM TEETH |
| style_designator | HUBLESS |
| face_nominal_width | 0.547 INCHES IN |
| bore_nominal_diameter | 10.999 INCHES BOTH ENDS IN |
| nominal_outside_diameter | 12.050 INCHES IN |
| NSN | 3020-00-200-2178 |
| BORE NOMINAL DIAMETER | 10.999 INCHES BOTH ENDS IN |
| TEETH QUANTITY | 97 |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | PLAIN BOTH ENDS |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM TEETH |
| STYLE DESIGNATOR | HUBLESS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 11.8450 INCHES MINIMUM AND 11.8550 INCHES MAXIMUM IN |
| TOOTH FORM | STANDARD |
| NOMINAL OUTSIDE DIAMETER | 12.050 INCHES IN |