bolts › close tolerance bolts
AN173-12A
Aeronautical Standard Close Tolerance Bolt
Description
length: 1-9/32", grip: 7/8", thread: 10-32, cadmium plated steel undrilled shank
Specifications
| Fastener Length | 1.281 |
|---|---|
| Grip Diameter | Between 0.1889 inches and 0.1894 inches |
| Grip Length | 0.875 |
| 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 | 1 1/4 |
| Material | Steel |
| Material Specification | Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or ams 6300 assn standard 4th material response or mil-s-5626 military specification 5th material response or mil-s-6758 military specification 6th material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Finish | 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 3 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.406 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 10 |
| Width Between Flats | Between 0.365 inches and 0.377 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN173-12A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error