A metallic/nonmetallic device with pipe threads on one end or an unthreaded end designed to accommodate a hose. The other end has a snap lock/twist lock mechanism. It is designed to join two items of lifesaving/diving equipment.
NSN 5920-01-524-0222
NSN 5945-00-139-3486
NSN 5965-00-335-0305
NSN 5925-01-205-4751
NSN 6150-01-494-9883
NSN 6150-00-603-0366
NSN 6135-00-838-7008
NSN 7035-01-516-9971
NSN 6240-01-531-8616
NSN 4140-01-206-8899
NSN 5895-00-417-3215
NSN 4140-01-064-1684