Ingersoll-rand air compressor model 211
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.
NSN 6650-01-223-0852
NSN 5985-01-441-7039
NSN 5998-01-469-7839
NSN 5925-01-551-9134
NSN 5960-00-170-2521
NSN 6135-00-334-4500
NSN 5990-01-162-9220
NSN 5998-01-575-0804
NSN 5930-01-204-2512
NSN 5996-00-103-9673
NSN 5935-01-092-4120
NSN 6650-01-631-7780