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 5985-00-773-3437
NSN 5990-01-203-6089
NSN 5999-01-326-9915
NSN 5996-01-077-2231
NSN 6650-00-494-8671
NSN 6150-01-601-5886
NSN 5960-00-969-9242
NSN 6610-00-735-5804
NSN 6135-00-767-0331
NSN 6135-01-280-2883
NSN 5925-01-100-0970
NSN 5996-01-395-9237