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NAS1671-4L8
Bolt Jo
Description
Fastener Length: 41/64", Head Width: 3/8"
Specifications
| Expansion Device | Serrated stem-type w |
|---|---|
| Fastener Length | 0.616 inches minimum and 0.646 inches maximum |
| Grip Length | 0.469 inches minimum and 0.531 inches maximum |
| Hardness Rating | 30.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Height | 0.125 inches minimum and 0.135 inches maximum |
| Head Style | Hexagon Head |
| Lubrication | Dry film or paraffin wax |
| Material | Iron |
| Material Specification | Ams 5737 assn std single material response sleeve, Ams 5737 assn std single material response stem |
| Shank Diameter | 0.258 inches minimum and 0.260 inches maximum |
| Shank Style | Threaded self-plugging shank w/sleeve |
| Shear Strength | 7200 double pounds per square inch |
| Specification Data | 80205-nas1671 professional/industrial association standard |
| Surface Treatment | Passivate, Silver |
| Surface Treatment Specification | Mil-s-5002 mil spec 1st treatment response sleeve |
| Width Across Flats | 0.367 inches minimum and 0.375 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1671-4L4
- NAS1671-4L6
- NAS1671-4L7
- NAS1671-4L8
- NAS1671-4L9
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.
- NAS1669-4L8 NAS 21/32 in · Hexagon Head · CRES
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error