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 6620-01-332-5815
NSN 6685-01-574-4984
NSN 6650-00-191-9000
NSN 5930-00-305-6766
NSN 6110-01-065-5791
NSN 5935-01-170-2125
NSN 5985-00-209-2375
NSN 6130-00-251-6224
NSN 6620-00-734-7746
NSN 2925-00-816-8765
NSN 2925-01-517-4037
NSN 5915-01-474-4210