HL21PB-8-28: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 1.755 INCHES MAXIMUM IN, lubrication: CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5320-01-014-4352, 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 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| head_style | FLUSH COUNTERSUNK |
| grip_length | 1.755 INCHES MAXIMUM IN |
| lubrication | CETYL ALCOHOL |
| shank_style | PIN-RIVET, STRAIGHT, THREADED |
| thread_class | 3A A |
| shank_diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| shear_strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| fastener_length | 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5320-01-014-4352 |
| SHANK DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| LUBRICATION | CETYL ALCOHOL |
| FASTENER LENGTH | 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| GRIP LENGTH | 1.755 INCHES MAXIMUM IN |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.