C7984-5-8R: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, head_diameter: 0.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-406-7905, 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 COUNTERSUNK |
| grip_length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| head_diameter | 0.635 INCHES MAXIMUM IN |
| thread_length | 0.438 INCHES NOMINAL IN |
| fastener_length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| hardness_rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5305-01-406-7905 |
| FASTENER LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.438 INCHES NOMINAL IN |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 81755-C7984-5-8R PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
No substitute or cross-reference records for this part.