fittings › tube coupling nuts
AN805-3
Aeronautical Standard Tube Coupling Nut
Description
Union Nut
Specifications
| Material | Copper |
|---|---|
| Material Specification | Cp 21 or 22 federal specification single material response qq-b-626 |
| NIIN | 00-278-5450 |
| NSN | 4730-00-278-5450 |
| Nut Height | 0.50 |
| Nut Style | Tube coupling |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.375 |
| Weight | 0.012 lb |
| Width Across Flats | Between 0.432 inches and 0.441 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN805-2
- AN805-3
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN805-3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error