BACS21EE4RB: STUD ASSEMBLY,TURNLOCK FASTENER.
STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: STEEL LOCKSPRING, drive_type: CROSS RECESS, surface_treatment: CADMIUM OVERALL, stud_assembly_style: STUD ASSEMBLY, securing_device_type: SPRING. This part is cataloged in the U.S.
Government catalog under NSN 5325-01-589-7296, 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.
| diameter | 0.500 INCHES NOMINAL IN |
| material | STEEL LOCKSPRING |
| drive_type | CROSS RECESS |
| surface_treatment | CADMIUM OVERALL |
| stud_assembly_style | STUD ASSEMBLY |
| securing_device_type | SPRING |
| eyelet_outside_diameter | 0.247 INCHES NOMINAL IN |
| turnlock_stud_head_style | FILLISTER |
| material_document_and_classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A228M ASSN STD SINGLE MATERIAL RESPONSE OR ASMS 6450 ASSN STD SINGLE MATERIAL RESPONSE PIN |
| surface_treatment_document_and_classification | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| distance_from_engaging_member_to_largest_bearing_surface_of_head | 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| NSN | 5325-01-589-7296 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| EYELET OUTSIDE DIAMETER | 0.247 INCHES NOMINAL IN |
| DRIVE TYPE | CROSS RECESS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A332 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A752 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE STUD |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A228M ASSN STD SINGLE MATERIAL RESPONSE OR ASMS 6450 ASSN STD SINGLE MATERIAL RESPONSE PIN |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OR SASTM A228M ASSN STD SINGLE MATERIAL RESPONSE LOCKSPRING |
| DIAMETER | 0.500 INCHES NOMINAL IN |
| SECURING DEVICE TYPE | SPRING |
| DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD | 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| TURNLOCK STUD HEAD STYLE | FILLISTER |
No substitute or cross-reference records for this part.