12321670: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: FLUSH, head_height: 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.145 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-192-6689, 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 4140 OVERALL |
| head_style | FLUSH |
| head_height | 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.250 INCHES NOMINAL IN |
| thread_length | 0.145 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.300 INCHES NOMINAL IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5305-01-192-6689 |
| HEAD HEIGHT | 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.300 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.145 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLUSH |
No substitute or cross-reference records for this part.