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 7035-01-271-1643
NSN 6135-00-961-3603
NSN 5905-00-225-8402
NSN 6645-00-064-9839
NSN 5910-00-425-6137
NSN 6130-01-481-1853
NSN 6240-01-447-2838
NSN 6620-01-310-6653
NSN 5905-01-634-0595
NSN 6645-00-192-1152
NSN 6685-01-335-0397
NSN 6130-01-322-7150