91259A539: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL UNS K03104 OVERALL, head_style: KNURLED NO. 1, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN.
This part is cataloged in the U.S. Government catalog under NSN 5305-01-503-6299, 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 | KNURLED NO. 1 |
| head_height | 0.188 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.375 INCHES NOMINAL IN |
| thread_length | 0.375 INCHES NOMINAL IN |
| shoulder_shape | ROUND OVERALL |
| fastener_length | 1.000 INCHES NOMINAL IN |
| hardness_rating | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| special_features | SHOULDER GROUND TO A HIGH POLISHED FINISH |
| thread_direction | RIGHT-HAND |
| NSN | 5305-01-503-6299 |
| WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.188 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.000 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD LENGTH | 0.375 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | KNURLED NO. 1 |
No substitute or cross-reference records for this part.