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 6135-01-369-0939
NSN 6135-00-628-1142
NSN 6145-00-956-6125
NSN 6220-00-269-4556
NSN 5996-01-232-0067
NSN 5935-01-574-3150
NSN 5999-00-938-0749
NSN 5975-00-755-3703
NSN 6610-00-934-1044
NSN 6105-01-589-9754
NSN 5945-01-323-4517
NSN 6150-00-651-1815