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 6650-00-492-9503
NSN 5996-01-381-3151
NSN 5996-00-905-6610
NSN 5996-00-759-8173
NSN 5965-00-682-3567
NSN 6150-01-109-7988
NSN 5910-00-836-0645
NSN 6220-00-410-2597
NSN 4140-01-634-0330
NSN 6240-00-755-1432
NSN 5985-01-098-0871
NSN 5905-00-492-5361