Partmodified by lewis specification 103
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: Other fittings nesoi of alloy steel not stainless
NSN 6645-01-101-4959
NSN 6110-01-306-0881
NSN 5975-01-279-6309
NSN 5990-01-485-0260
NSN 5985-00-870-3030
NSN 5905-01-219-9046
NSN 4140-01-287-3903
NSN 5915-00-528-9286
NSN 5910-01-064-7226
NSN 5996-00-692-6679
NSN 6240-00-138-9124
NSN 6145-01-356-1623