bolts › close tolerance bolts
NAS6706-21
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Color | Green threads |
|---|---|
| Fastener Length | 1.875 inches minimum and 1.905 inches maximum |
| Grip Diameter | 0.3731 inches minimum and 0.3737 inches maximum |
| Grip Length | 1.302 inches minimum and 1.322 inches maximum |
| Head Height | 0.188 inches minimum and 0.203 inches maximum |
| Head Style | Hexagon Head |
| Material | Iron |
| Material Specification | Ams5731 assn std single material response and ams5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6706 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,tyii,cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.578 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Width Between Flats | 0.554 inches minimum and 0.564 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS6706-15
- NAS6706-21
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6706-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error