fittings › tube fitting locknuts
AN6289D4
Aeronautical Standard Tube Fitting Locknut
Description
Tube Fitting Nut
Specifications
| End Application | Model c-47; f-18 aircraft grumman a10 aircraft;boeing vertol cargo transport helicopter |
|---|---|
| Material | Aluminum |
| Material Specification | T6 federal specification single material response alloy 2014 qq-a-225/4 |
| NIIN | 00-277-6371 |
| NSN | 4730-00-277-6371 |
| Nut Height | 0.281 |
| Nut Style | Tube fitting locknut |
| Specification Data | 88044-an6289 government standard |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Class 2 military specification single treatment response type 2 mil-a-8625 |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.438 |
| Weight | 0.01 lb |
| Width Across Flats | 0.688 |
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Catalog data updated 2026-07-05. Report a data error