128858: 128858.
The 128858 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.500 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, style_designator: ROUND, CLOSED W/SHOULDER, thread_direction: RIGHT-HAND, eye_outside_width: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-088-0297, 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 |
| shank_length | 1.500 INCHES NOMINAL IN |
| overall_length | 4.000 INCHES NOMINAL IN |
| style_designator | ROUND, CLOSED W/SHOULDER |
| thread_direction | RIGHT-HAND |
| eye_outside_width | 6.000 INCHES NOMINAL IN |
| eye_inside_diameter | 1.180 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.500 INCHES IN |
| thread_quantity_per_inch | 13 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5310-01-088-0297 |
| NUT WIDTH | 0.180 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| NUT LENGTH | 0.250 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.086 INCHES IN |
| NUT HEIGHT | 0.093 INCHES NOMINAL IN |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| NUT STYLE | PLAIN, RECTANGULAR |
No substitute or cross-reference records for this part.