The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, point_style: CUP, thread_class: 3A A, thread_length: 0.375 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-2581, 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 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| point_style | CUP |
| thread_class | 3A A |
| thread_length | 0.375 INCHES MAXIMUM IN |
| fastener_length | 0.375 INCHES NOMINAL IN |
| hardness_rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.156 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.312 INCHES IN |
| thread_quantity_per_inch | 18 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5305-00-010-2581 |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL IN |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| FASTENER LENGTH | 0.375 INCHES NOMINAL IN |
| THREAD LENGTH | 0.375 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4 STYLE |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| THREAD QUANTITY PER INCH | 18 |