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 5996-00-259-0309
NSN 6135-00-248-4102
NSN 6320-00-521-9350
NSN 5930-01-407-9221
NSN 5945-01-274-7875
NSN 6150-01-525-0757
NSN 5950-00-006-8848
NSN 6610-01-423-7481
NSN 5945-01-278-3975
NSN 6150-01-147-4604
NSN 6645-01-415-6039
NSN 5945-01-379-4999