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 5985-01-057-1876
NSN 5990-01-056-6413
NSN 6130-01-509-4834
NSN 6145-01-161-0780
NSN 5985-00-068-2029
NSN 5950-01-408-6799
NSN 6145-00-481-8737
NSN 7035-00-915-5798
NSN 5965-01-627-0848
NSN 5835-01-611-8912
NSN 2925-00-215-4954
NSN 5999-00-192-9394