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 7035-00-267-5424
NSN 6645-00-960-6594
NSN 5975-00-295-3586
NSN 6110-01-422-2619
NSN 6220-00-565-7001
NSN 5915-00-764-3123
NSN 5998-01-418-0911
NSN 5985-01-090-3348
NSN 6130-01-435-4424
NSN 6130-01-548-3921
NSN 5920-01-041-8230
NSN 5950-00-244-1567