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 5950-01-545-1905
NSN 6645-00-535-4380
NSN 6220-01-571-7526
NSN 5998-00-473-2035
NSN 6645-01-377-2553
NSN 6650-01-183-0711
NSN 6610-01-173-6323
NSN 6320-01-271-0247
NSN 5960-01-170-4057
NSN 5835-01-642-4705
NSN 5998-00-107-1671
NSN 6220-01-058-1509