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 6240-01-082-2902
NSN 6150-00-278-7070
NSN 4140-00-078-9357
NSN 5905-01-204-8306
NSN 5950-00-871-1036
NSN 5835-01-150-6084
NSN 6145-00-839-3895
NSN 5999-00-158-5118
NSN 5895-01-265-1970
NSN 5935-01-021-3798
NSN 6220-00-343-0182
NSN 6145-01-438-0368