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 6150-00-109-6565
NSN 5998-00-079-0036
NSN 5960-01-573-6483
NSN 5960-01-111-9918
NSN 5835-01-050-7882
NSN 5950-01-392-6396
NSN 6620-01-359-0476
NSN 5910-00-168-8130
NSN 5920-01-379-1941
NSN 6150-01-584-1569
NSN 5990-01-254-2936
NSN 6685-01-527-7549