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 5975-01-487-3748
NSN 5998-01-129-8569
NSN 5999-00-806-0075
NSN 6645-00-145-6411
NSN 5915-01-268-4208
NSN 5975-01-068-6367
NSN 5998-00-874-1062
NSN 4140-00-917-6946
NSN 6320-01-412-2973
NSN 5925-00-636-5683
NSN 5905-00-602-5368
NSN 6620-01-096-3723