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NAS1580A5R14D
Bolt
Description
Fastener Length: 1-25/64", Thread: 1/4-24, Thread Length: 33/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.251 inches minimum first hole and 1.261 inches maximum first hole |
| Fastener Length | 1.361 inches minimum and 1.391 inches maximum |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.865 inches minimum and 0.885 inches maximum |
| Head Diameter | 0.578 inches minimum and 0.633 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque-set ribbed |
| Length | 1 25/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Specification Data | 80205-nas1580 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq+416,ty2cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.476 inches minimum and 0.526 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1580A5R14 NAS 1/4-24 · 0.073 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error