bolts › close tolerance bolts
AN177C32
Aeronautical Standard Bolt
Description
Fastener Length: 3-23/64", Thread: 7/16-20, Thread Length: 17/32"
Specifications
| Fastener Length | 3.310 inches minimum and 3.372 inches maximum |
|---|---|
| Grip Diameter | 0.4362 inches minimum and 0.4367 inches maximum |
| Grip Length | 2.667 inches minimum and 2.697 inches maximum |
| Head Height | 0.234 inches minimum and 0.266 inches maximum |
| Head Style | Hexagon Head |
| Length | 3 23/64 |
| Material | Steel |
| Specification Data | 88044-an177 government standard |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.535 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 7/16 |
| Width Between Flats | 0.720 |
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 AN177C32. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error