WC131-6AK21: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLUSH COUNTERSUNK, hole_depth: 0.115 INCHES MAXIMUM IN, grip_length: 1.3125 INCHES NOMINAL IN, shank_style: ERR-090, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5320-01-238-7786, 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 | IRON ALLOY 660 OVERALL |
| head_style | FLUSH COUNTERSUNK |
| hole_depth | 0.115 INCHES MAXIMUM IN |
| grip_length | 1.3125 INCHES NOMINAL IN |
| shank_style | ERR-090 |
| thread_class | 3A A |
| hole_diameter | 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| shank_diameter | 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| fastener_length | 1.6375 INCHES NOMINAL IN |
| shoulder_length | 1.2695 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| NSN | 5320-01-238-7786 |
| SHANK DIAMETER | 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.6375 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85,TYP I MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HOLE DEPTH | 0.115 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.190 INCHES IN |
| GRIP LENGTH | 1.3125 INCHES NOMINAL IN |
| SHOULDER DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |