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 5920-01-250-8793
NSN 5990-00-067-6791
NSN 5925-01-135-7038
NSN 6145-00-244-4565
NSN 5975-00-759-8353
NSN 6220-01-492-6409
NSN 5910-01-451-4905
NSN 5905-01-309-3356
NSN 4140-00-249-5603
NSN 5895-01-504-1961
NSN 5905-00-080-9010
NSN 6130-01-332-1652