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AN818-L4J
Aeronautical Standard Tube Coupling Nut
Description
Tube Coupling Nut
Specifications
| Material | CRES |
|---|---|
| Material Specification | Qq-s-763 fed spec single material response |
| Nut Height | 0.604 inches minimum and 0.636 inches maximum |
| Nut Style | Tube coupling |
| Special Features | 2 lockwire holes |
| Specification Data | 88044-an818 government standard |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.438 |
| Width Across Flats | 0.563 |
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 AN818-L4J. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error