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 5915-01-014-7877
NSN 5910-01-207-5119
NSN 5965-01-437-0905
NSN 6145-00-952-2872
NSN 5996-00-270-0340
NSN 5999-00-243-9820
NSN 6135-00-422-3967
NSN 5920-01-220-3037
NSN 2925-01-068-3844
NSN 4140-00-099-9205
NSN 5999-01-264-0037
NSN 5920-01-123-8148