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 6240-01-562-8541
NSN 6150-00-438-4940
NSN 5998-01-329-9992
NSN 6620-00-904-2139
NSN 5998-01-595-6959
NSN 6320-01-652-3806
NSN 6685-01-241-5794
NSN 2925-01-330-2988
NSN 6220-00-936-4501
NSN 6610-00-840-6187
NSN 5910-00-681-3003
NSN 5950-01-431-6884