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 5905-01-207-0907
NSN 7035-00-295-0451
NSN 5975-01-415-0068
NSN 6320-01-567-9792
NSN 5925-01-447-3279
NSN 5950-00-143-9406
NSN 6650-01-495-1269
NSN 5975-00-827-7426
NSN 5905-00-762-0959
NSN 5855-01-152-8782
NSN 6145-01-079-6834
NSN 5915-01-352-8513