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 5975-01-412-0778
NSN 7035-01-420-5404
NSN 6645-01-137-1684
NSN 5999-01-031-7533
NSN 6320-00-701-0437
NSN 5945-00-381-8043
NSN 5910-00-233-6104
NSN 7035-01-305-1950
NSN 6685-01-499-1723
NSN 2925-01-224-1885
NSN 7035-00-312-3055
NSN 5915-00-188-3856