Aeroquip series 2089 (Ref. SAE 140239) External Pipe/Internal Pipe Adapter. Also available in stainless steel as part number 259-2089.
Items
2089 External Pipe X Internal Pipe Elbow

2089 External Pipe/Internal Pipe

2089 External Pipe X Internal Pipe Elbow

2089 External Pipe/Internal Pipe

2089 External Pipe X Internal Pipe Elbow

2089 External Pipe/Internal Pipe

2089 External Pipe X Internal Pipe Elbow

2089 External Pipe/Internal Pipe

2089 External Pipe X Internal Pipe Elbow

2089 External Pipe/Internal Pipe
Thread P1 N/A 1/8-27 N/A 1/8-27 N/A 1/4-18 N/A 1/4-18 N/A 1/4-18
Thread P2 N/A 1/8-27 N/A 1/4-18 N/A 1/8-27 N/A 1/4-18 N/A 3/8-18