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 6145-01-254-2935
NSN 5905-01-526-5093
NSN 6610-00-164-1510
NSN 5965-00-497-8820
NSN 6105-01-490-6551
NSN 5999-00-204-9914
NSN 5990-01-034-8211
NSN 6645-00-127-3835
NSN 7035-00-631-3782
NSN 7035-01-633-9537
NSN 6150-00-058-8669
NSN 5855-00-951-6483