81-1920-3: CAP ASSEMBLY,ANNUNC.
The CAP ASSEMBLY,ANNUNC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.126 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 1680-01-057-3628, 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 304 OVERALL |
| head_style | HEXAGON EXTENDED WASHER |
| head_height | 0.125 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 0.126 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.201 INCHES NOMINAL IN |
| shoulder_length | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM FIRST SHOULDER IN |
| special_features | SHOULDER AND THREADS UNDERCUT FOR RELIEF; BOTH UNDERCUTS 0.073 IN. DIA. PORM 0.003 IN. X 0.015 IN. WIDE IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.125 INCHES MINIMUM AND 0.128 INCHES MAXIMUM FIRST SHOULDER IN |
| surface_treatment | PASSIVATE OVERALL |
| NSN | 1680-01-057-3628 |
No substitute or cross-reference records for this part.