HL551-8-9: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5320-00-080-1592, 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 OVERALL |
| head_style | FLUSH COUNTERSUNK |
| grip_length | 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN |
| shank_style | PIN-RIVET, STRAIGHT, THREADED |
| thread_class | 3A A |
| shank_diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| fastener_length | 0.919 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| head_major_diameter | 0.389 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| NSN | 5320-00-080-1592 |
| SHANK DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.919 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| GRIP LENGTH | 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN |
| WIDTH BETWEEN FLATS | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SURFACE TREATMENT | CADMIUM OVERALL |