T11887: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.427 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN, thread_length: 0.290 INCHES MINIMUM IN, surface_finish: 50.0 MICROINCHES GRIP. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-256-6812, 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 COMP 8620 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.427 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| thread_length | 0.290 INCHES MINIMUM IN |
| surface_finish | 50.0 MICROINCHES GRIP |
| fastener_length | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| locking_feature | PATCH THREADS |
| thread_direction | RIGHT-HAND |
| countersink_angle | 59.7 DEGREES MINIMUM AND 60.3 DEGREES MAXIMUM |
| width_across_flats | 0.1542 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-01-256-6812 |
| SURFACE FINISH | 50.0 MICROINCHES GRIP |
| WIDTH ACROSS FLATS | 0.1542 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.290 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| LOCKING FEATURE | PATCH THREADS |
| INTERNAL DRIVE STYLE | HEXAGON |
| COUNTERSINK ANGLE | 59.7 DEGREES MINIMUM AND 60.3 DEGREES MAXIMUM |
No substitute or cross-reference records for this part.