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 6105-01-538-2160
NSN 6650-00-078-4092
NSN 5960-01-252-8821
NSN 6135-00-299-6918
NSN 7035-00-417-2967
NSN 5920-00-878-5573
NSN 6685-01-623-6460
NSN 5990-00-593-5089
NSN 5998-00-659-2338
NSN 5998-01-486-0987
NSN 5895-01-557-2899
NSN 7035-01-431-1448