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 6620-01-408-4464
NSN 6130-00-982-3896
NSN 5915-01-525-7731
NSN 7035-01-400-3666
NSN 5855-01-410-8979
NSN 6135-01-519-7879
NSN 5999-00-333-9620
NSN 6685-01-540-5245
NSN 6320-01-631-7828
NSN 5930-00-263-3645
NSN 6110-01-473-2492
NSN 5925-00-092-0578