National Stock Number: 3020-00-966-0848
  Federal Supply Class: 3020
  National Item Identification Number: 009660848
  Description: PULLEY,GROOVE
  Detail: A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE.  For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION. 
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