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 5925-01-397-7639
NSN 5920-01-031-6691
NSN 6645-01-408-6568
NSN 6105-00-777-6812
NSN 6110-01-474-8181
NSN 5910-01-395-5030
NSN 6610-01-659-3277
NSN 6105-00-613-7145
NSN 5960-00-017-2892
NSN 6110-01-176-9670
NSN 6645-00-394-8924
NSN 5950-01-107-6726