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 5835-00-239-9619
NSN 6145-01-432-0088
NSN 6130-01-447-8758
NSN 5965-00-870-1980
NSN 5935-01-155-5595
NSN 7035-00-870-0290
NSN 5998-00-312-3060
NSN 6320-01-578-6006
NSN 6645-01-132-1862
NSN 2925-01-583-5619
NSN 5975-01-344-9037
NSN 6240-01-317-5748