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 5999-00-910-8755
NSN 5999-00-877-2627
NSN 6240-01-275-1013
NSN 5905-01-542-2936
NSN 6130-00-198-4997
NSN 6240-00-594-7138
NSN 4140-01-461-7885
NSN 5920-00-950-2875
NSN 6240-00-435-0433
NSN 5965-01-452-8372
NSN 6110-00-925-4281
NSN 6610-01-315-7002