1528-1017: THUMBSCREW.
The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.250 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A, head_diameter: 0.440 INCHES NOMINAL IN.
This part is cataloged in the U.S. Government catalog under NSN 5305-00-495-7983, 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 303 OVERALL |
| head_style | KNURLED NO. 1 |
| head_height | 0.250 INCHES NOMINAL IN |
| point_style | FLAT |
| thread_class | 2A A |
| head_diameter | 0.440 INCHES NOMINAL IN |
| thread_length | 0.560 INCHES MINIMUM IN |
| fastener_length | 1.000 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| nominal_thread_diameter | 0.138 INCHES IN |
| first_diameter_from_head | 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| NSN | 5305-00-495-7983 |
| HEAD HEIGHT | 0.250 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.000 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.560 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| FIRST DIAMETER FROM HEAD | 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | KNURLED NO. 1 |
| THREAD DIRECTION | RIGHT-HAND |
| POINT STYLE | FLAT |
No substitute or cross-reference records for this part.