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 6320-00-731-6134
NSN 6130-01-413-5344
NSN 5990-01-042-8524
NSN 5920-01-425-1780
NSN 5895-00-752-0549
NSN 7035-01-416-5910
NSN 6220-01-106-5433
NSN 5960-00-153-7115
NSN 6620-00-360-1379
NSN 6620-01-222-8820
NSN 5935-01-310-5397
NSN 5925-01-096-8607