128854-3: BOLT,INTERNAL WRENCHING.
The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, thread_class: 3A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.110 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES GRIP, fastener_length: 0.410 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-127-3741, 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 4130 OVERALL |
| thread_class | 3A A |
| head_diameter | 0.250 INCHES NOMINAL IN |
| thread_length | 0.110 INCHES NOMINAL IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 0.410 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.190 INCHES IN |
| first_diameter_from_head | 0.150 INCHES NOMINAL IN |
| NSN | 5306-01-127-3741 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 16.0 MICROINCHES BEARING SURFACE OF HEAD |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.410 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.110 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| FIRST DIAMETER FROM HEAD | 0.150 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.