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 6130-00-445-1374
NSN 5975-01-415-7748
NSN 5985-01-416-7364
NSN 5895-00-740-7461
NSN 5835-01-008-2161
NSN 7035-01-005-0694
NSN 5915-01-204-1763
NSN 4140-01-425-0025
NSN 5975-01-589-1909
NSN 5915-01-381-2519
NSN 6685-00-737-5211
NSN 6220-01-213-1558