NK509-8R7: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OR STEEL COMP 4037 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.319 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM IN, fastener_length: 0.469 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-291-9986, 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 8630 OR STEEL COMP 4037 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.319 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| thread_length | 0.375 INCHES MINIMUM IN |
| fastener_length | 0.469 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| locking_feature | PELLET THREADS |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| NSN | 5305-00-291-9986 |
| FASTENER LENGTH | 0.469 INCHES NOMINAL IN |
| THREAD LENGTH | 0.375 INCHES MINIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| LOCKING FEATURE | PELLET THREADS |
| SURFACE TREATMENT | CADMIUM OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH LBS |
No substitute or cross-reference records for this part.