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 6150-00-336-9057
NSN 5915-01-142-2018
NSN 6645-00-211-6906
NSN 5999-01-539-0027
NSN 5996-01-060-0568
NSN 5835-01-394-7589
NSN 6150-01-649-7924
NSN 6220-01-633-4013
NSN 6650-01-181-6037
NSN 5950-00-853-2659
NSN 6620-01-106-3553
NSN 5915-01-440-7456