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 5930-01-258-5878
NSN 5855-01-505-5144
NSN 6130-01-337-1760
NSN 6620-01-508-7902
NSN 5975-01-023-1777
NSN 6105-01-634-0322
NSN 6135-00-809-2148
NSN 6620-01-207-0047
NSN 7035-01-300-1599
NSN 5998-00-823-9474
NSN 4140-01-516-0129
NSN 6220-01-548-5078