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 6650-01-619-2129
NSN 6685-01-080-6045
NSN 5930-01-251-8801
NSN 6240-01-062-2569
NSN 6685-00-926-8341
NSN 5925-01-117-1518
NSN 2925-00-203-8735
NSN 6150-00-619-1711
NSN 6110-00-705-5863
NSN 6240-01-093-4202
NSN 5975-01-221-6497
NSN 5945-00-659-8630