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 6110-00-087-0227
NSN 5935-00-426-0508
NSN 5990-01-455-2919
NSN 5999-01-050-7854
NSN 7035-00-193-2269
NSN 5945-01-634-0588
NSN 6620-01-221-7784
NSN 6620-01-298-3806
NSN 5996-00-676-7109
NSN 5935-01-280-8378
NSN 5965-01-392-0049
NSN 6130-00-175-8063