This Aluminum AN Straight Pipe to Hose Nipple is used on aerospace hydraulic systems
            
        
            | Type | Aerospace Aluminum Hydraulic Fittings | 
| Style | AN Straight Pipe to Hose Nipple | 
| Size | 3/8" x 1/4" | 
| Material | Aluminum | 
| Color | Blue | 
| Tube Size | 3/8" | 
| Thread Length | 19/32" | 
| Hex Size | 5/8" | 
| AN Specification | AN840-6D | 
| Series | AN840 | 
| NPT | 1/4" |