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 6220-01-272-8585
NSN 6650-01-460-5837
NSN 6220-01-376-3742
NSN 5905-01-573-7373
NSN 6135-00-128-1633
NSN 6620-01-043-6424
NSN 5930-01-344-6637
NSN 5930-01-406-4998
NSN 6240-00-646-6931
NSN 5835-01-540-4995
NSN 6650-01-512-1930
NSN 6620-01-441-7896