Aeroquip series 2091 (Ref. SAE 140425) External Pipe/Internal Pipe Tee Adapter. Also available in stainless steel as 259-2091.
Items
2091 External Pipe X Internal Piper Tee

2091 External Pipe/Internal Pipe

2091 External Pipe X Internal Piper Tee

2091 External Pipe/Internal Pipe

2091 External Pipe X Internal Piper Tee

2091 External Pipe/Internal Pipe

2091 External Pipe X Internal Piper Tee

2091 External Pipe/Internal Pipe

2091 External Pipe X Internal Piper Tee

2091 External Pipe/Internal Pipe
Thread P1 N/A 1/8-27 N/A 1/4-18 N/A 3/8-18 N/A 1/2-14 N/A 3/4-14
Thread P2 N/A 1/8-27 N/A 1/4-18 N/A 3/8-18 N/A 1/2-14 N/A 3/4-14