Hub is constructed of steel
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 6645-01-169-8030
NSN 5905-00-253-8779
NSN 5950-00-528-2573
NSN 6110-01-418-0802
NSN 5998-01-329-7636
NSN 6620-00-932-4306
NSN 6650-01-594-3888
NSN 5925-00-433-6125
NSN 5925-01-227-4631
NSN 5950-01-411-6227
NSN 5855-00-256-5562
NSN 6135-01-544-8463