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 7035-01-107-2811
NSN 6110-01-163-2953
NSN 6650-01-027-1181
NSN 6610-01-331-6966
NSN 5905-01-442-3168
NSN 5950-01-414-6930
NSN 6150-01-279-0876
NSN 5990-01-522-6096
NSN 6620-01-207-0667
NSN 5950-01-336-4732
NSN 6145-00-699-8963
NSN 6320-01-384-7079