fittings › tube elbows
AN821-4
90°, Elbow
Description
90°, Elbow
Specifications
| Connection Style | Flared (tube) all ends |
|---|---|
| Connection Type | Flared Tube, Threaded external tube all ends |
| Dimension Q | 57/64 in |
| Dimension V | 7/16 in |
| Elbow Angle | 90 º |
| Flared Tube Angle | 37 º |
| Flow Angle | 90.0 degrees |
| Industry Standards/Certification | AN821 |
| Leg Length | 1.891 inches nominal all ends |
| Material | Steel |
| NIIN | 00-231-3989 |
| NSN | 4730-00-231-3989 |
| Outside Diameter Tube Accommodated | 0.250 inches all ends |
| Seat Angle | 37.0 degrees all ends |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 1,cl 2 fed spec single treatment response |
| Thread Class | 3a all ends |
| Thread Series Designator | Unjf all ends |
| Thread Size | 0.438 inches all ends |
| Thread T | 7/16-20 |
| Tube Outside Diameter | 1/4 in |
| Weight | .005 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 AN821-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error