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 5925-00-353-0612
NSN 6145-00-565-9560
NSN 6105-01-369-0418
NSN 6685-01-013-6499
NSN 6150-01-495-2348
NSN 5915-01-041-8314
NSN 5905-00-285-0548
NSN 5910-01-282-2770
NSN 5905-00-779-4001
NSN 6685-01-484-7934
NSN 6135-01-442-4581
NSN 6130-00-498-6755