Metal to metal seal
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. 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 tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.
Classification: Aluminum tube or pipe fittings (couplings,elbows sleeves)
NSN 5945-01-571-1101
NSN 5925-00-910-0033
NSN 6240-00-551-3144
NSN 5855-00-228-8446
NSN 6220-01-444-0945
NSN 5915-00-050-0079
NSN 5910-01-288-0730
NSN 5895-01-310-5632
NSN 5935-00-298-2004
NSN 5985-01-367-6576
NSN 7035-01-194-9482
NSN 6105-01-080-2453