Buy the Swagelok Tube Fitting, 1/2 TO 3/8 in Reducing Union, Stainless Steel, Gaugeable, 1 ea., PN: SS-810-6-6 here.
316 Stainless Steel Bulkhead, 3/8 in. to 3 in. Sizes, bulkhead
Ideal Vacuum Swagelok Tube Fitting, 3-Way Reducing Tee Union, 1
Ideal Spectroscopy Swagelok Tube Fitting, 3/16 in Union
Ideal Vacuum Swagelok Bulkhead Union, Connects 1/2 in. OD Tubing
Ideal Spectroscopy Swagelok Bulkhead Reducing Union, 1/4 in. x 1
Ideal Vacuum Swagelok Tube Fitting, 90° Elbow Union, 1/8 in
Ideal Vacuum Swagelok Tube Fitting, Run, NPT (TMT), Tee
Ideal Spectroscopy Swagelok Tube Fitting, 3/8 in Union
Ideal Spectroscopy Swagelok Tube Fitting, 1/2 in Union
Ideal Vacuum Swagelok Bulkhead Reducing Union, 1/2 in. x 1/4 in
Ideal Vacuum Swagelok Tube Fitting, 3/8 FNPT to 3/8 Tubing
Swagelok, SS-810-6-6, Stainless Steel Swagelok Tube
Ideal Spectroscopy Swagelok Tube Fitting, 3/8 TO 1/4 in Reducing