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NAS1669-4L7
Blind Fastener
Description
Blind Fastener
Specifications
| Diameter | 0.260 in |
|---|---|
| Expansion Device | Threaded mandrel |
| Fastener Length | 0.569 |
| Features | Internally Threaded |
| Grip Length | 0.407 inches minimum and 0.469 inches maximum |
| Grip Range | 0.407 to 0.469 in |
| 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 Height | 0.135 inches maximum |
| Head Style | Hexagon Head |
| Head Type | Protruding |
| Industry Standards/Certification | NAS1669 |
| 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 a4572 assn std 3rd material response sleeve |
| NIIN | 00-637-5357 |
| NSN | 5320-00-637-5357 |
| Shank Diameter | 0.258 inches minimum and 0.260 inches maximum |
| Shank Style | Threaded self-plugging shank w/sleeve |
| Shear Strength | 9000 double pounds per square inch |
| Specification Data | 80205-nas1669 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate, Cadmium and passivate |
| Surface Treatment Specification | 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, Qq-p-416,ty 2,cl 3 fed spec 1st treatment response sleeve and qq-p-35 fed spec 2nd treatment response sleeve |
| Weight | 0.015 lb |
| 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.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1669-4L7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error