NAS8603: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 AND STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.562 INCHES NOMINAL IN, point_style: FLAT, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-533-4729, 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 AND STEEL COMP 8740 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.562 INCHES NOMINAL IN |
| point_style | FLAT |
| thread_class | 3A A |
| grip_diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| head_diameter | 0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN |
| thread_length | 0.323 INCHES NOMINAL IN |
| surface_finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| fastener_length | 0.885 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM |
| NSN | 5305-01-533-4729 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| FASTENER LENGTH | 0.385 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD LENGTH | 0.323 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE AND AMS6322 ASSN STD 2ND MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS8603 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
No substitute or cross-reference records for this part.