fittings › tube fitting locknuts
AN6289D6
Aeronautical Standard Tube Fitting Locknut
Description
outer diameter: 3/8", thread: 9/16-18, aluminum, AN6289 series fitting
Specifications
| Material | Aluminum |
|---|---|
| Material Specification | Qq-a-225/6 federal specification single material response |
| Nut Height | Between 0.250 inches and 0.282 inches |
| Nut Style | Tube fitting locknut |
| Specification Data | 88044-an6289 government standard |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625 military specification single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.562 |
| Width Across Flats | Between 0.809 inches and 0.816 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- AS5179D06 AS 9/16-18 · Aluminum
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error