A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Classification: Military equipments not identified by kind
NSN 5996-01-039-1545
NSN 5905-01-632-2169
NSN 6610-01-443-0264
NSN 5996-01-139-2843
NSN 6220-00-289-9915
NSN 5990-01-016-4194
NSN 6220-00-905-5686
NSN 6610-01-184-3210
NSN 2925-01-055-9705
NSN 5905-01-162-7256
NSN 6610-00-176-5486
NSN 6105-00-149-1602