bolts › machine bolts
NAS1670-3L18
Jo Bolt
Description
Fastener Length: 1-1/2"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Expansion Device | Threaded mandrel |
| Fastener Length | 1.546 inches maximum |
| Grip Length | 1.095 inches minimum and 1.156 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum bolt and 43.0 rockwell c maximum bolt, 39.0 rockwell c minimum nut and 43.0 rockwell c maximum nut |
| Head Major Diameter | 0.378 inches minimum and 0.385 inches maximum |
| Head Style | Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) |
| Material | CRES |
| Material Specification | Mil-s-5626 mil spec 1st material response bolt or mil-s-6049 mil spec 2nd material response bolt or mil-s-6758 mil spec 3rd material response bolt, Mil-s-5626 mil spec 1st material response nut or mil-s-6049 mil spec 2nd material response nut or mil-s-6758 mil spec 3rd material response nut, Qq-s-763 fed spec 1st material response sleeve or ams 5639 assn std 1st material response sleeve or ams 5641 assn std 2nd material response sleeve or astm a582 assn std 3rd material response sleeve |
| Shank Diameter | 0.197 inches minimum and 0.199 inches maximum |
| Shear Strength | 5240 double pounds per square inch |
| Specification Data | 80205-nas1670 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate, Cadmium and passivate |
| Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec 1st treatment response sleeve and qq-p-35 fed spec 2nd treatment response sleeve, Qq-p-416,ty 2,cl 2 fed spec single treatment response bolt, Qq-p-416,ty 2,cl 2 fed spec single treatment response nut |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1670-3L18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error