91251A721: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 1.500 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-244-6878, 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 | FLAT CHAMFER |
| head_height | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| thread_length | 1.500 INCHES MINIMUM IN |
| fastener_length | 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | OXIDE OVERALL |
| width_across_flats | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-01-244-6878 |
| WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 1.500 INCHES MINIMUM IN |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
No substitute or cross-reference records for this part.