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 6610-01-520-6889
NSN 5999-00-007-5210
NSN 5925-01-551-1265
NSN 5998-01-359-1346
NSN 5950-00-274-2279
NSN 5925-01-391-7718
NSN 6240-01-420-9255
NSN 6650-01-578-4645
NSN 5998-00-079-1375
NSN 5975-00-316-2539
NSN 5895-01-534-9914
NSN 5998-01-200-2050