AIC618-5-21: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: CADMIUM OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.914 INCHES MINIMUM AND 0.944 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, head_diameter: 0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-520-6706, 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 | CADMIUM OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.914 INCHES MINIMUM AND 0.944 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| head_diameter | 0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| thread_length | 0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN |
| fastener_length | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 91.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| internal_drive_style | OFFSET CRUCIFORM (TORQUE SET) |
| NSN | 5305-01-520-6706 |
| FASTENER LENGTH | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| THREAD LENGTH | 0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.914 INCHES MINIMUM AND 0.944 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
No substitute or cross-reference records for this part.