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 5895-01-528-3684
NSN 6150-00-230-6919
NSN 5835-00-929-6623
NSN 5996-00-605-8496
NSN 5999-00-377-3765
NSN 6135-00-152-8729
NSN 6320-01-607-1491
NSN 5996-00-605-6319
NSN 2925-01-109-7177
NSN 6145-01-003-8323
NSN 2925-01-154-2949
NSN 6220-00-397-6910