HL221PN-8-19: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5320-01-509-9603, 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 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| head_style | FLUSH COUNTERSUNK |
| grip_length | 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN |
| shank_style | PIN-RIVET, STRAIGHT, THREADED |
| thread_class | 3A A |
| shank_diameter | 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| special_features | NON-LUBED PINS MUST BE USED WITH WET SEALANT OR LUBED COLLARS |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| head_major_diameter | 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| NSN | 5320-01-509-9603 |
| SHANK DIAMETER | 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYII,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| GRIP LENGTH | 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | NON-LUBED PINS MUST BE USED WITH WET SEALANT OR LUBED COLLARS |