NAS1581K4T8X: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.500 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN, head_diameter: 0.3504 INCHES MINIMUM AND 0.3988 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-694-8711, 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 | TITANIUM ALLOY UNS R56400 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.500 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| head_diameter | 0.3504 INCHES MINIMUM AND 0.3988 INCHES MAXIMUM IN |
| thread_length | 0.403 INCHES NOMINAL IN |
| fastener_length | 0.903 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | OFFSET CRUCIFORM (TORQUE SET) |
| end_item_identification | B1-BACFT |
| NSN | 5305-01-694-8711 |
| FASTENER LENGTH | 0.903 INCHES NOMINAL IN |
| THREAD LENGTH | 0.403 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS4967 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.500 INCHES NOMINAL IN |
| GRIP DIAMETER | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| MINIMUM TENSILE STRENGTH | 3200 POUNDS PER SQUARE INCH LBS |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
No substitute or cross-reference records for this part.