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 6105-01-351-5998
NSN 5915-01-463-9241
NSN 6220-01-379-6692
NSN 6320-00-456-0836
NSN 4140-00-152-7092
NSN 6110-01-100-4445
NSN 5920-01-546-9014
NSN 5835-01-238-3381
NSN 5910-00-732-3059
NSN 5835-01-529-3050
NSN 5975-01-459-8608
NSN 6645-00-415-0884