National Stock Number: 3020-01-040-3930
Federal Supply Class: 3020
National Item Identification Number: 010403930
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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