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 5990-01-541-5632
NSN 6320-01-564-0893
NSN 5910-00-238-5201
NSN 5905-00-689-5872
NSN 6610-01-364-8295
NSN 6320-01-326-1316
NSN 5920-00-592-7598
NSN 5910-01-062-7108
NSN 5960-00-473-2602
NSN 6135-01-593-5295
NSN 6240-00-952-4501
NSN 6105-00-684-6807