The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SQUARE, nut_height: 0.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 3020-00-027-8400, 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 |
| nut_style | SQUARE |
| nut_height | 0.219 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| hardness_rating | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| nominal_thread_size | 0.312 INCHES IN |
| bearing_surface_type | FLAT |
| thread_quantity_per_inch | 18 |
| nondefinitive_spec/std_data | 1 TYPE AND 3 STYLE AND B GRADE |
| NSN | 3020-00-027-8400 |
| MATERIAL | COPPER ALLOY 642 OVERALL |
| PITCH DIAMETER | 0.8250 INCHES NOMINAL IN |
| BORE STYLE | PLAIN BOTH ENDS |
| PRESSURE ANGLE | 20.0000 DEGREES |
| NOMINAL OVERALL LENGTH | 0.281 INCHES IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-663,1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 66 |
| ATTACHMENT METHOD | CLAMP |
| NOMINAL OUTSIDE DIAMETER | 0.850 INCHES IN |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END IN |