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 5835-00-242-3763
NSN 5960-01-286-3766
NSN 6150-00-995-6589
NSN 6650-00-025-4772
NSN 5835-00-315-3797
NSN 5935-01-326-6951
NSN 5990-01-095-8866
NSN 6110-00-740-5750
NSN 6320-00-116-3658
NSN 6110-01-282-2329
NSN 6240-01-171-9500
NSN 4140-01-408-5132