bolts › close tolerance bolts
NAS1580V5R13
Bolt
Description
Fastener Length: 1-21/64", Thread: 5/16-24, Thread Length: 33/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.298 inches minimum and 1.328 inches maximum |
| Grip Diameter | 0.3115 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.802 inches minimum and 0.822 inches maximum |
| Head Diameter | 0.5780 inches minimum and 0.6335 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 21/64 |
| Material | Titanium |
| Material Specification | Ams 4967,comp 6al-4v assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Special Features | Internal drive ribbed |
| Specification Data | 80205-nas1580 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.3125 |
| 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 | 5/16 |
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.
- NAS1580V5T13 NAS 5/16-24 · 0.073 in · Flat countersunk · Titanium
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Catalog data updated 2026-07-05. Report a data error