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 5960-00-848-1900
NSN 5895-01-317-3761
NSN 6220-00-279-1508
NSN 2925-01-362-2515
NSN 5930-01-344-8103
NSN 5935-00-203-5852
NSN 6645-01-503-2240
NSN 5975-00-682-0577
NSN 6320-00-070-4544
NSN 6685-01-224-6405
NSN 6610-00-856-3086
NSN 6150-01-620-4383