SC2219-4-304: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, grip_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, head_height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-082-9291, 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 OVERALL |
| head_style | FLAT CHAMFER |
| grip_length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| head_height | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| thread_length | 0.425 INCHES NOMINAL IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5305-01-082-9291 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 125.0 MICROINCHES TOP OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| HEAD HEIGHT | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.425 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS 498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |