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 5930-01-467-8432
NSN 5855-00-151-3853
NSN 2925-00-925-0545
NSN 6110-00-896-5807
NSN 6145-01-294-8222
NSN 5999-01-611-8908
NSN 5990-00-919-8124
NSN 6150-00-335-7189
NSN 6220-01-564-9200
NSN 6685-01-019-0705
NSN 4140-01-135-0998
NSN 5915-00-118-2911