NAS1221-06E3: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.252 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN, screw_material: STEEL COMP 8617, fastener_length: 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-068-6313, 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 | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| thread_length | 0.252 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 8617 |
| fastener_length | 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | HIGH-TORQUE |
| nominal_thread_diameter | 0.138 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| minimum_tensile_strength | 160000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-01-068-6313 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.252 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SCREW MATERIAL | STEEL COMP 8617 |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH LBS |