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NAS6606D18
Close Tolerance Bolt - Drilled Shank
Description
Close Tolerance Bolt - Drilled Shank
Specifications
| Country of Origin | USA |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.481 inches minimum first hole and 1.531 inches maximum first hole |
| Fastener Length | 1.688 inches minimum and 1.718 inches maximum |
| Grip Diameter | 0.3735 inches minimum and 0.3745 inches maximum |
| Grip Length | 1.115 inches minimum and 1.135 inches maximum |
| Head Height | 0.188 inches minimum and 0.203 inches maximum |
| Head Style | Dished hexagon |
| Length | 1 45/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-054-2516 |
| NSN | 5306-01-054-2516 |
| Shank Unthreaded Hole Diameter | 0.106 inches minimum first hole and 0.116 inches maximum first hole |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.553 inches minimum and 0.603 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 3/8 |
| Weight | 0.0065 lb |
| Width Between Flats | 0.553 inches minimum and 0.564 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.
- NAS6706DU18 NAS 3/8-24 · 0.073 in · Dished hexagon · Iron
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Catalog data updated 2026-07-05. Report a data error