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 6105-01-027-0099
NSN 7035-01-222-8090
NSN 5999-01-501-0694
NSN 6135-00-080-9176
NSN 5960-00-204-7506
NSN 5975-00-923-5227
NSN 5895-00-661-1773
NSN 5935-00-621-2157
NSN 6645-01-105-9107
NSN 6135-00-921-6487
NSN 6320-00-937-5625
NSN 5950-01-412-9327