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 6645-01-357-7750
NSN 5915-00-018-9433
NSN 5975-01-294-8995
NSN 5945-01-365-6355
NSN 6130-01-007-1242
NSN 5975-01-420-7869
NSN 6650-00-938-2153
NSN 5945-01-620-7703
NSN 5930-01-545-1415
NSN 6145-01-361-8985
NSN 5935-00-122-8669
NSN 6645-01-493-8632