Variable pitch grooves
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 6320-00-459-8973
NSN 6685-01-424-8046
NSN 6620-01-446-4797
NSN 5905-01-041-9135
NSN 5990-01-594-7470
NSN 7035-01-442-7947
NSN 5930-01-418-9569
NSN 6105-01-584-6319
NSN 2925-01-359-4027
NSN 5910-00-784-0320
NSN 6685-01-288-9802
NSN 5975-01-432-2149