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 6645-01-386-6311
NSN 5985-01-555-1441
NSN 6220-01-570-4027
NSN 5945-00-412-0139
NSN 5925-00-311-2341
NSN 5855-00-400-2622
NSN 5945-01-057-0171
NSN 5925-01-019-1983
NSN 5945-01-356-0085
NSN 7035-01-617-0072
NSN 5985-01-457-9484
NSN 5950-01-444-9187