BM19069-04-154: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.166 INCHES NOMINAL IN, thread_length: 0.168 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-313-9328, 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 4037 OR STEEL COMP 8740 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 2A A |
| head_diameter | 0.166 INCHES NOMINAL IN |
| thread_length | 0.168 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| hardness_rating | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.088 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| shoulder_diameter | 0.115 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5305-01-313-9328 |
| FASTENER LENGTH | 0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 0.088 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.115 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.168 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.112 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |