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 5985-01-011-4952
NSN 6240-01-097-2831
NSN 6320-01-519-8767
NSN 5930-01-215-2166
NSN 6240-01-338-1773
NSN 5975-01-110-2488
NSN 5950-00-824-1173
NSN 4140-00-339-8125
NSN 6110-01-327-7386
NSN 6220-01-157-9062
NSN 6110-01-430-3240
NSN 6110-01-456-8815