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 6240-00-822-4571
NSN 5935-00-003-2534
NSN 5999-00-797-8714
NSN 5965-00-706-7005
NSN 6685-01-105-2244
NSN 5915-00-719-6455
NSN 5965-01-168-8180
NSN 5905-00-867-0929
NSN 6320-01-090-8296
NSN 5990-00-133-7734
NSN 5950-00-303-5450
NSN 5835-01-163-4215