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 6145-01-261-1940
NSN 6105-01-533-5732
NSN 5999-00-194-7750
NSN 6645-00-654-8804
NSN 5930-01-433-2422
NSN 5998-01-416-3625
NSN 5895-01-298-5205
NSN 6130-01-609-8919
NSN 4140-00-878-1222
NSN 6150-00-145-8922
NSN 6240-01-177-9361
NSN 5835-00-034-4976