TEST SET SUBASSEMBLY,ELECTRICAL. Key specifications include material: STEEL OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: OXIDE OVERALL, drive_surface_size: 0.750 INCHES NOMINAL SINGLE END 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 3120-00-522-5013, 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 |
| drive_end_shape | SQUARE SINGLE END INTERNAL |
| style_designator | INTERNAL-INTERNAL |
| features_provided | MANUAL TOOL |
| surface_treatment | OXIDE OVERALL |
| drive_surface_size | 0.750 INCHES NOMINAL SINGLE END IN |
| functional_description | USED WITH TORQUE WRENCH TO TIGHTEN/LOOSEN TRUCK WHEEL BEARING LOCKNUTS |
| wrenching_surface_size | 4.875 INCHES NOMINAL SINGLE END IN |
| wrenching_surface_shape | 8 POINT SINGLE END INTERNAL |
| drive_end_outside_diameter | 5.775 INCHES MAXIMUM IN |
| wrenching_end_outside_diameter | 5.775 INCHES MAXIMUM IN |
| NSN | 3120-00-522-5013 |
| FEATURES PROVIDED | CASEHARDENED |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CORNER SHAPE | ROUND INSIDE RIGHT CORNER |
| OVERALL LENGTH | 1.5800 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN |
| STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CORNER SHAPE | CHAMFERED OUTSIDE RIGHT CORNER |
| BODY OUTSIDE DIAMETER | 1.0000 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN |
| BODY INSIDE DIAMETER | 0.6870 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN |
| MATERIAL | STEEL COMP E9310 OVERALL |