Nuc equipment. Ssr name is reducer expander
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.
NSN 6610-01-271-1205
NSN 5895-01-510-9431
NSN 6135-01-033-5052
NSN 5895-01-584-8662
NSN 6110-01-595-0519
NSN 6110-01-317-0337
NSN 5895-01-143-8445
NSN 2925-01-171-2511
NSN 5996-01-513-9656
NSN 5975-00-923-5227
NSN 5990-01-506-7695
NSN 5996-01-384-7431