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NAS6608-50
Bolt
Description
Fastener Length: 3-7/8", Thread: 1/2-20, Thread Length: 3/4"
Specifications
| Fastener Length | 3.845 inches minimum and 3.875 inches maximum |
|---|---|
| Grip Diameter | 0.4985 inches minimum and 0.4995 inches maximum |
| Grip Length | 3.115 inches minimum and 3.135 inches maximum |
| Head Height | 0.250 inches minimum and 0.265 inches maximum |
| Head Style | Dished hexagon |
| Length | 3 7/8 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6608 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.710 inches minimum and 0.760 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 1/2 |
| Width Between Flats | 0.741 inches minimum and 0.752 inches maximum |
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.
- NAS6608D50 NAS 1/2-20 · 0.099 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error