Lockwire holes locatedin each corner of hex
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 6320-00-731-6134
NSN 6645-01-418-8035
NSN 5935-00-342-4516
NSN 7035-01-522-4872
NSN 5905-00-432-2475
NSN 6650-01-436-3478
NSN 6320-01-540-4885
NSN 6650-01-502-6761
NSN 6620-00-908-6347
NSN 5910-01-053-1924
NSN 2925-00-816-8765
NSN 5910-01-069-2690