fittings › tube elbows
AN837-4J
45°, Elbow
Description
45°, Elbow
Specifications
| Alternate Part Number | AS1040J0404 |
|---|---|
| Connection Style | Flared (tube) all ends |
| Connection Type | Flared Tube, Threaded external tube all ends |
| Dimension M | 1 17/32 in |
| Dimension M Tolerance | +3/4 in |
| Dimension Q | 45/64 in |
| Dimension Q Tolerance | -0 in |
| Dimension V | 7/16 in |
| Flow Angle | 45.0 degrees |
| Head Angle | 45 º |
| Industry Standards/Certification | AN837 |
| Leg Length | 0.703 inches nominal 2nd end, 1.531 inches nominal 1st end |
| Material | CRES |
| Material Specification | 66 fed std single material response |
| NIIN | 00-277-6177 |
| NSN | 4730-00-277-6177 |
| Outside Diameter Tube Accommodated | 0.250 inches all ends |
| Seat Angle | 37.0 degrees all ends |
| Specification Data | 88044-an837 government standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-f-14072,e300,ty2 mil spec single treatment response outside, Mil-s-5002 mil spec single treatment response inside |
| Thread Class | 3a 1st end bulkhead, 3a all ends |
| Thread Series Designator | Unjf 1st end bulkhead, Unjf all ends |
| Thread Size | 0.438 inches 1st end bulkhead, 0.438 inches all ends |
| Thread T (Reference) | 7/16-20 |
| Tube Outside Diameter | 1/4 in |
| Weight | 0.075 lb |
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 AN837-4J. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error