PTP 035079 Bulkhead Fitting, 1/2" NPT Male, 3/8" NPT Female, 1-7/8" Long

PTP 205498N Bulkhead Pipe Fitting, 1/2" NPT Male Thread, 1/4" NPT Female Thread, 2-1/8" Long

Part# 060-205498N

PTP 205499 Bulkhead Pipe Fitting, 1/2" NPT Male Thread, 1/4" NPT Female Thread, 2-1/2" Long

Part# 060-205499

PTP M317 Bulkhead Pipe Fitting, 1/2" NPT Male Both Ends x 1/4" NPT Female One End, 2-7/8" Long

Part# 130-M317