Mil Hishear Rivet Selection: hishear alloy steel flathead
NAS529-8-24 to NAS529-8-8
MIL-STD-1759 hi-shear rivet (pin-collar) selection data — NAS525 alloy-steel 100° CSK and NAS529 alloy-steel flat-head hi-shear pins (95 000 psi shear, cadmium plate, 450°F), and NAS1583 Inconel-X 100° CSK and NAS1584 Inconel-X flat-head high-temperature pins (83 000–96 000 psi shear, passivate, 1200°F). Each record is a unique pin part number + grip-length combination. Required collar specs: NAS528 (2024-T4 aluminum) for alloy-steel pins, NAS1585 (Inconel) for 1200°F pins. Grip range encoded as 1/16-inch increments; all 5 nominal diameters (0.125–0.375 in, size -4 through -12) covered. Distinct from solid and blind rivets in the rivet_specifications table.
| fastener class | dash number | grip range max in (in) | grip range min in (in) | head style | material | nominal diameter 32nds (32nds of an inch) | nominal diameter in (in) | part number base | protective finish | required collar spec | shear strength psi (psi) | standard | temp rating F (degF) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hishear alloy steel flathead | NAS529-8-24 | 1.5 | 1.439 | flat head | Alloy steel | 8 | 0.25 | NAS529 | Cadmium plate | NAS528-8 | 95,000 | MIL-STD-1759 | 450 |
| hishear alloy steel flathead | NAS529-8-32 | 2 | 1.939 | flat head | Alloy steel | 8 | 0.25 | NAS529 | Cadmium plate | NAS528-8 | 95,000 | MIL-STD-1759 | 450 |
| hishear alloy steel flathead | NAS529-8-4 | 0.25 | 0.189 | flat head | Alloy steel | 8 | 0.25 | NAS529 | Cadmium plate | NAS528-8 | 95,000 | MIL-STD-1759 | 450 |
| hishear alloy steel flathead | NAS529-8-6 | 0.375 | 0.313 | flat head | Alloy steel | 8 | 0.25 | NAS529 | Cadmium plate | NAS528-8 | 95,000 | MIL-STD-1759 | 450 |
| hishear alloy steel flathead | NAS529-8-8 | 0.5 | 0.439 | flat head | Alloy steel | 8 | 0.25 | NAS529 | Cadmium plate | NAS528-8 | 95,000 | MIL-STD-1759 | 450 |
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