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 6240-01-391-7463
NSN 5965-01-602-7649
NSN 6645-01-081-2687
NSN 6650-00-629-8027
NSN 6135-01-654-6147
NSN 5990-00-344-2062
NSN 5965-01-595-9498
NSN 5910-01-171-1499
NSN 6130-01-512-9572
NSN 6145-00-062-0552
NSN 5920-01-286-4297
NSN 5905-01-282-8176