53B334-59: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 3.678 INCHES MINIMUM AND 3.698 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.451 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-338-2091, 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 | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 3.678 INCHES MINIMUM AND 3.698 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.451 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.459 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 4.157 INCHES MINIMUM AND 4.204 INCHES MAXIMUM IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| NSN | 5305-00-338-2091 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| FASTENER LENGTH | 4.157 INCHES MINIMUM AND 4.204 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.459 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 3.678 INCHES MINIMUM AND 3.698 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.