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 6135-01-470-4077
NSN 5950-01-336-0648
NSN 5915-01-613-7378
NSN 5999-00-598-3578
NSN 5975-01-493-7476
NSN 5930-00-898-0674
NSN 7035-01-227-2546
NSN 5950-01-104-3466
NSN 6145-00-089-0547
NSN 5835-00-005-7909
NSN 5910-01-633-9963
NSN 6135-01-448-9474