Known as sheave assembly
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 5835-01-550-5094
NSN 5950-00-126-1933
NSN 5950-00-081-8255
NSN 5965-00-007-7863
NSN 6240-01-650-3757
NSN 5895-01-538-5135
NSN 2925-01-562-8051
NSN 5925-01-304-9489
NSN 6240-01-177-6386
NSN 5985-01-370-2830
NSN 6320-01-390-5385
NSN 5935-00-790-7077