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, head_style: HEADLESS (SETSCREW), point_style: FLAT, thread_class: 3A A, thread_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, fastener_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-039-7553, 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 |
| head_style | HEADLESS (SETSCREW) |
| point_style | FLAT |
| thread_class | 3A A |
| thread_length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| fastener_length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| hardness_rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| locking_feature | STRIP OR PATCH THREADS |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.062 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-01-039-7553 |
| THREAD CLASS | 3A A |
| WIDTH ACROSS FLATS | 0.062 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| INTERNAL DRIVE STYLE | HEXAGON |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE |
| THREAD QUANTITY PER INCH | 32 |
| LOCKING FEATURE | STRIP OR PATCH THREADS |