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: CUP, thread_class: 3A A, thread_length: 0.250 INCHES MAXIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-724-5811, 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 | CUP |
| thread_class | 3A A |
| thread_length | 0.250 INCHES MAXIMUM IN |
| fastener_length | 0.250 INCHES NOMINAL IN |
| hardness_rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.125 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| end_item_identification | MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) |
| NSN | 5305-00-724-5811 |
| THREAD SERIES DESIGNATOR | UNF |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| END ITEM IDENTIFICATION | MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL IN |
| THREAD QUANTITY PER INCH | 28 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| INTERNAL DRIVE STYLE | HEXAGON |