1291-225: BOLT,INTERNAL WRENCHING.
The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL, head_style: FLAT CHAMFER, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, chamfer_angle: 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM, head_diameter: 0.308 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-159-3123, 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 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.188 INCHES NOMINAL IN |
| thread_class | 3A A |
| chamfer_angle | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| head_diameter | 0.308 INCHES NOMINAL IN |
| thread_length | 0.375 INCHES NOMINAL IN |
| fastener_length | 0.875 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE AND OXIDE OVERALL |
| width_across_flats | 0.157 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| NSN | 5306-01-159-3123 |
| WIDTH ACROSS FLATS | 0.157 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.188 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.875 INCHES NOMINAL IN |
| THREAD LENGTH | 0.375 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| FIRST DIAMETER FROM HEAD | 0.143 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.500 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.