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 6135-00-683-0536
NSN 6130-00-081-2101
NSN 5910-00-587-4791
NSN 5998-00-189-9437
NSN 6240-01-583-6402
NSN 6130-01-329-3360
NSN 5965-01-237-3342
NSN 2925-01-583-5619
NSN 5985-01-007-2311
NSN 5915-01-023-3590
NSN 5835-01-488-6678
NSN 6645-01-143-7838