AS126-4-53: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: PAN, grip_length: 3.312 INCHES MINIMUM AND 3.328 INCHES MAXIMUM IN, head_height: 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-027-6402, 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 | IRON ALLOY 660 OVERALL |
| head_style | PAN |
| grip_length | 3.312 INCHES MINIMUM AND 3.328 INCHES MAXIMUM IN |
| head_height | 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| head_diameter | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| thread_length | 0.278 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| surface_finish | 63.0 MICROINCHES GRIP |
| fastener_length | 3.731 INCHES MINIMUM AND 3.751 INCHES MAXIMUM IN |
| special_features | RETAINING BALLS IN SHANK 180 DEGREES APART |
| thread_direction | RIGHT-HAND |
| NSN | 5305-01-027-6402 |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| HEAD HEIGHT | 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.731 INCHES MINIMUM AND 3.751 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.278 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | PAN |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.