This 1/4 in Aluminum 37° Flare Union is used in aerospace hydraulic systems and motorsport applications
| Type | Aerospace Aluminum Hydraulic Fittings |
| Style | 37° Flare Union |
| Size | 7/16" - 20 |
| Material | Aluminum |
| Tube O.D. | 1/4" |
| Color | Blue |
| Series | AN815 |
| Hex Size | 11/16" |
| AN Specification | AN815-4D |
| SAE Specification | AS5174D0404 |
| MS Specification | MS24392D4 |
