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 6220-01-052-3986
NSN 6610-00-814-8598
NSN 6135-00-715-4001
NSN 6145-01-093-7082
NSN 5960-00-529-2704
NSN 5998-01-422-1626
NSN 5965-01-105-1645
NSN 5910-01-327-9280
NSN 6650-01-376-1692
NSN 5985-00-916-8294
NSN 5855-01-479-3152
NSN 2925-01-251-9529