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 5910-00-933-4575
NSN 5998-00-161-0099
NSN 6130-00-201-3710
NSN 5975-01-245-8641
NSN 6220-01-564-7080
NSN 6650-01-526-8727
NSN 5945-01-017-6015
NSN 5835-01-250-2939
NSN 5950-01-229-2342
NSN 6105-01-272-9235
NSN 5996-00-151-4462
NSN 6110-01-371-6862