16990-5F-10C: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.600 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, fastener_length: 0.625 INCHES NOMINAL IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-375-7435, 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 |
| thread_class | 3A A |
| head_diameter | 0.600 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| fastener_length | 0.625 INCHES NOMINAL IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 82.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.188 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| end_item_identification | USED ON C141 ACFT |
| NSN | 5305-01-375-7435 |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.625 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYL1,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| MINIMUM TENSILE STRENGTH | 168300 POUNDS PER SQUARE INCH LBS |
| INTERNAL DRIVE STYLE | HEXAGON |
No substitute or cross-reference records for this part.