A211-3E: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 0.723 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-031-3684, 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.
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| screw_material | IRON ALLOY 660 |
| fastener_length | 0.723 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| minimum_tensile_strength | 160000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-01-031-3684 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.723 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SCREW MATERIAL | IRON ALLOY 660 |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH LBS |