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 5835-00-614-0650
NSN 4140-00-036-2851
NSN 6110-01-204-6595
NSN 6645-00-729-9900
NSN 6685-01-418-0925
NSN 5950-00-738-9553
NSN 6135-01-069-2482
NSN 5960-01-035-3901
NSN 7035-00-782-7046
NSN 5925-00-708-8769
NSN 5835-01-110-0697
NSN 6145-00-793-7816