First end meets sae j1926 standards, (threads and o-ring sealing)
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also adapter bushing and coupling, pipe.
Classification: Stainless steel tube or pipe fittings nesoi
NSN 5990-01-449-7090
NSN 5935-01-306-4194
NSN 6620-01-530-7085
NSN 5895-01-444-3921
NSN 6610-01-468-0679
NSN 5855-01-165-6361
NSN 6105-00-400-7251
NSN 6320-01-155-8295
NSN 5835-01-480-3484
NSN 5835-00-269-2232
NSN 5950-01-240-1686
NSN 6145-00-278-0697