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 6645-01-312-8601
NSN 5975-00-552-9579
NSN 6135-01-370-2599
NSN 6320-01-039-5891
NSN 6135-01-100-3593
NSN 6220-01-588-3228
NSN 5998-01-410-7788
NSN 6685-00-805-5423
NSN 5920-01-315-1974
NSN 5910-01-633-6599
NSN 6220-00-131-2095
NSN 5835-01-163-4215