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 6130-00-900-2614
NSN 5915-01-087-2012
NSN 5960-01-658-9538
NSN 5905-01-382-0013
NSN 6240-01-258-6298
NSN 6105-01-609-9667
NSN 6110-01-076-6650
NSN 6135-01-260-1100
NSN 5960-01-120-4893
NSN 6130-01-224-7497
NSN 5996-00-488-7060
NSN 7035-01-173-1513