Known as sheave assembly
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 5930-00-055-1827
NSN 5910-01-631-4352
NSN 6135-01-647-0386
NSN 5945-01-541-3754
NSN 6645-01-592-2557
NSN 7035-01-429-7954
NSN 6220-01-607-0748
NSN 5910-01-218-5987
NSN 5999-01-529-8676
NSN 6150-00-432-5668
NSN 5945-01-417-5607
NSN 6130-01-438-6960