4448-8-19PR: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 1.188 INCHES NOMINAL IN, lubrication: DRY FILM AND CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5320-01-676-4136, 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 E4340 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| head_style | FLUSH COUNTERSUNK |
| grip_length | 1.188 INCHES NOMINAL IN |
| lubrication | DRY FILM AND CETYL ALCOHOL |
| shank_style | PIN-RIVET, STRAIGHT, THREADED |
| thread_class | 3A A |
| shank_diameter | 0.2645 INCHES MINIMUM AND 0.2661 INCHES MAXIMUM IN |
| fastener_length | 1.623 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| head_major_diameter | 0.428 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN |
| NSN | 5320-01-676-4136 |
| SHANK DIAMETER | 0.2645 INCHES MINIMUM AND 0.2661 INCHES MAXIMUM IN |
| LUBRICATION | DRY FILM AND CETYL ALCOHOL |
| FASTENER LENGTH | 1.623 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| GRIP LENGTH | 1.188 INCHES NOMINAL IN |
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |