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 5925-00-297-8821
NSN 6240-01-133-1723
NSN 5985-01-480-1484
NSN 6135-00-416-2898
NSN 5990-01-531-5962
NSN 6135-00-321-6707
NSN 6610-01-205-8340
NSN 5960-01-599-9821
NSN 5965-00-739-2063
NSN 5998-01-137-2169
NSN 6105-01-007-7337
NSN 5855-01-087-1417