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AN837-20D
Aeronautical Standard Tube Elbow
Description
Tube Elbow
Specifications
| Connection Style | Flared (tube) all ends |
|---|---|
| Connection Type | Threaded external tube all ends |
| Flow Angle | 45.0 degrees |
| Leg Length | 1.578 inches nominal 2nd end, 2.656 inches nominal 1st end |
| Material | Aluminum |
| Outside Diameter Tube Accommodated | 1.250 inches all ends |
| Seat Angle | 37.0 degrees all ends |
| Specification Data | 88044-an837 government standard |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625 mil spec single treatment response |
| Thread Class | 3a 1st end bulkhead, 3a all ends |
| Thread Qty Per Inch (tpi) | 12 1st end bulkhead, 12 all ends |
| Thread Series Designator | Unj 1st end bulkhead, Unj all ends |
| Thread Size | 1.625 inches 1st end bulkhead, 1.625 inches all ends |
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 AN837-20D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error