91255A/90: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-346-9153, 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 | BUTTON |
| thread_class | 2A A |
| head_diameter | 0.312 INCHES NOMINAL IN |
| thread_length | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| fastener_length | 0.250 INCHES NOMINAL IN |
| hardness_rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | OXIDE OVERALL |
| width_across_flats | 0.094 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.164 INCHES IN |
| NSN | 5305-01-346-9153 |
| WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.250 INCHES NOMINAL IN |
| THREAD LENGTH | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES IN |
| HEAD STYLE | BUTTON |
| THREAD DIRECTION | RIGHT-HAND |
| COLOR | BLACK OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
No substitute or cross-reference records for this part.