166-138: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.750 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.800 INCHES NOMINAL IN, fastener_length: 3.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-084-5388, 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.
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| head_height | 0.750 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 2.800 INCHES NOMINAL IN |
| fastener_length | 3.000 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.745 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.750 INCHES IN |
| extended_washer_diameter | 1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| thread_quantity_per_inch | 10 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| extended_washer_thickness | 0.271 INCHES MINIMUM IN |
| NSN | 5306-01-084-5388 |
| EXTENDED WASHER THICKNESS | 0.271 INCHES MINIMUM IN |
| HEAD HEIGHT | 0.750 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.000 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| THREAD LENGTH | 2.800 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.745 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.