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 5930-01-426-9130
NSN 2925-01-556-0333
NSN 6240-01-435-6505
NSN 5935-01-554-2311
NSN 6320-00-908-6841
NSN 6105-00-739-7957
NSN 5990-00-989-6839
NSN 6150-01-431-7624
NSN 7035-01-014-3808
NSN 5855-00-138-2386
NSN 5975-00-899-7952
NSN 5945-00-789-4123