91253A540: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: RC, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.720 INCHES NOMINAL IN, fastener_length: 0.750 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-446-1336, 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 | IRON ALLOY 660 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | RC |
| head_diameter | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| thread_length | 0.720 INCHES NOMINAL IN |
| fastener_length | 0.750 INCHES MINIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 38.0 DEGREES MINIMUM AND 44.0 DEGREES MAXIMUM |
| width_across_flats | 0.156 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 150000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-01-446-1336 |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.750 INCHES MINIMUM IN |
| THREAD LENGTH | 0.720 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| COLOR | BLACK OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH LBS |
| INTERNAL DRIVE STYLE | HEXAGON |
| COUNTERSINK ANGLE | 38.0 DEGREES MINIMUM AND 44.0 DEGREES MAXIMUM |
No substitute or cross-reference records for this part.