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 6650-01-445-6492
NSN 6685-01-416-8991
NSN 5905-00-455-2470
NSN 5985-01-634-0635
NSN 5855-00-548-4742
NSN 5999-00-372-5709
NSN 5905-00-260-5008
NSN 2925-00-228-8854
NSN 6620-00-355-1734
NSN 6145-01-101-4900
NSN 6220-01-281-0349
NSN 5985-01-158-8902