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 5835-00-092-1136
NSN 6135-01-543-1263
NSN 5950-01-273-3593
NSN 6105-01-084-1445
NSN 6130-00-988-8709
NSN 5925-01-200-2714
NSN 5999-01-017-6655
NSN 5945-00-826-3925
NSN 5990-00-993-3130
NSN 5930-01-551-1300
NSN 6145-00-003-4184
NSN 5950-01-453-9476