This 3/8 in Aluminum 37° Flare Male Connector is used on aerospace hydraulic systems
| Type | Aerospace Aluminum Hydraulic Fittings |
| Style | 37° Flare Male Connector |
| Size | 9/16" - 18 |
| Material | Aluminum |
| Tube O.D. | 3/8" |
| Color | Blue |
| Male Pipe Size | 1/4" |
| Hex Size | 5/8" |
| AN Specification | AN816-6D |
| SAE Specification | AS5194D0604 |
| Series | AN816 |