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 5905-01-362-9689
NSN 6320-01-421-6355
NSN 6220-01-106-0828
NSN 6240-00-119-4182
NSN 5925-00-159-1544
NSN 6645-00-467-6094
NSN 6610-01-433-2219
NSN 7035-01-479-0813
NSN 6145-01-200-8643
NSN 6110-00-798-9983
NSN 5915-01-003-7945
NSN 2925-01-467-7672