National Stock Number: 4730-99-151-9169
  Federal Supply Class: 4730
  National Item Identification Number: 991519169
  Description: ADAPTER,STRAIGHT,PI
  Detail: 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. 
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