Variable pitch
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.
Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
NSN 5935-00-414-1370
NSN 6105-01-360-5629
NSN 6110-01-129-1803
NSN 5990-00-238-3333
NSN 6320-00-731-6134
NSN 6320-01-631-7828
NSN 5915-01-644-9698
NSN 5996-01-467-2177
NSN 6220-01-553-7778
NSN 6110-01-431-9890
NSN 5920-01-051-0090
NSN 5915-01-579-3650