16690-8F-28B: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL UNS K03104 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.872 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN, thread_length: 1.650 INCHES MAXIMUM IN, fastener_length: 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-421-9535, 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 UNS K03104 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.872 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| thread_length | 1.650 INCHES MAXIMUM IN |
| fastener_length | 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| hardness_rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| surface_treatment | OXIDE OVERALL |
| width_across_flats | 0.312 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-01-421-9535 |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 1.650 INCHES MAXIMUM IN |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| COLOR | BLACK OVERALL |
No substitute or cross-reference records for this part.