179859: SCREW,CAP,HEXAGON HEAD.
The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.884 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-017-9859, 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 |
| head_style | HEXAGON |
| head_height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 0.884 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| surface_finish | 63.0 MICROINCHES THREADS |
| fastener_length | 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| hardness_rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC AND CHROMATE OVERALL |
| width_between_flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| end_item_identification | MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) |
| NSN | 5305-00-017-9859 |
| HEAD HEIGHT | 0.281 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.125 INCHES NOMINAL IN |
| THREAD LENGTH | 1.125 INCHES NOMINAL IN |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL IN |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE |
| MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH LBS |