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 5910-01-312-5593
NSN 7035-00-117-0418
NSN 6320-01-387-8099
NSN 6320-01-411-7469
NSN 6130-01-207-1879
NSN 5990-01-561-7802
NSN 6320-00-937-5625
NSN 5998-00-987-3134
NSN 5835-01-436-6549
NSN 5965-00-798-3597
NSN 5996-01-025-5683
NSN 6685-01-222-0141