bolts › close tolerance bolts
AN173C5
Aeronautical Standard Close Tolerance Bolt
Description
length: 21/32", grip: 1/4", thread: 10-32, corrosion resistant - drilled shank
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 0.500 inches first hole and 0.531 inches first hole |
|---|---|
| Fastener Length | Between 0.641 inches and 0.688 inches |
| Grip Diameter | Between 0.1889 inches and 0.1894 inches |
| Grip Length | Between 0.234 inches and 0.266 inches |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.109 inches and 0.141 inches |
| Head Style | Hexagon Head |
| Length | 5/8 |
| Material | Steel |
| Material Specification | Mil-s-18732 military specification single material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.070 inches first hole and 0.080 inches first hole |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.375 inches and 0.453 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 10 |
| Width Between Flats | Between 0.365 inches and 0.375 inches |
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 AN173C5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error