Threaded adaptor for scuba regulator : - 3/8"-24 female to 1/4 NPT male adaptor - Brass made
Threaded adaptor 3/8-24 male to 14/4NPT female
As example, allows to fix a 3/8-24 low pressure hose to a 1/4NPT thread.
Brass made.
Must be exclusively used for low pressure.