91257A811: 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: 0.391 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, fastener_length: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-607-9356, 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 | 0.391 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 1.500 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| fastener_length | 3.250 INCHES NOMINAL IN |
| hardness_rating | 33.0 ROCKWELL C MINIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CHROMATE ZINC OVERALL |
| width_between_flats | 0.938 INCHES NOMINAL IN |
| end_item_identification | 3830-01-600-6479 SCRAPE, IRON |
| nominal_thread_diameter | 0.625 INCHES IN |
| NSN | 5305-01-607-9356 |
| HEAD HEIGHT | 0.391 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.250 INCHES NOMINAL IN |
| THREAD LENGTH | 1.500 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL IN |
| COLOR | YELLOW OVERALL |
| SURFACE TREATMENT | CHROMATE ZINC OVERALL |
No substitute or cross-reference records for this part.