MOUNTING BASE,ELECTRICAL EQUIPME. Key specifications include color: GRAY, LIGHT, material: STEEL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, overall_depth: 27.940 INCHES MINIMUM AND 28.060 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-378-6251, 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.
| color | GRAY, LIGHT |
| material | STEEL |
| body_style | PLAIN, SOLID |
| bore_style | PLAIN BOTH ENDS |
| tooth_form | STANDARD |
| overall_depth | 27.940 INCHES MINIMUM AND 28.060 INCHES MAXIMUM IN |
| overall_width | 20.940 INCHES MINIMUM AND 21.060 INCHES MAXIMUM IN |
| pitch_diameter | 3.3735 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 108 |
| style_designator | FLAT TYPE |
| attachment_method | MOUNTING HOLE |
| NSN | 3020-00-378-6251 |
| TEETH QUANTITY | 108 |
| PITCH DIAMETER | 3.3735 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| BORE STYLE | PLAIN BOTH ENDS |
| BODY STYLE | PLAIN, SOLID |
| TOOTH FORM | STANDARD |
| STYLE DESIGNATOR | HUBLESS |
| MOUNTING HOLE NOMINAL DIAMETER | 0.169 INCHES AXIALLY THROUGH BODY FIRST END IN |
| NOMINAL OUTSIDE DIAMETER | 3.436 INCHES IN |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |