VP1120-4-9: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 SPRING, head_style: FLAT COUNTERSUNK, thread_class: 3A A, surface_finish: 63.0 MICROINCHES GRIP, fastener_length: 0.990 INCHES NOMINAL IN, hardness_rating: 50.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM LOCKING FEATURE. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-151-8676, 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 631 SPRING |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| surface_finish | 63.0 MICROINCHES GRIP |
| fastener_length | 0.990 INCHES NOMINAL IN |
| hardness_rating | 50.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM LOCKING FEATURE |
| locking_feature | DETENT BALL THREADS |
| special_features | SPINDLE PASSIVATE PER QQ-P-35; 180000 PSI; MATERIAL CRES AMS 5643 17-4PH OR ALLOY STEEL PER MIL-S-6049 |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE SPRING |
| internal_drive_style | OFFSET CRUCIFORM (TORQUE SET) |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5305-00-151-8676 |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| FASTENER LENGTH | 0.990 INCHES NOMINAL IN |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM LOCKING FEATURE |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| LOCKING FEATURE | DETENT BALL THREADS |
| SPECIAL FEATURES | SPINDLE PASSIVATE PER QQ-P-35; 180000 PSI; MATERIAL CRES AMS 5643 17-4PH OR ALLOY STEEL PER MIL-S-6049 |
| SURFACE TREATMENT | PASSIVATE SPRING |