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 5925-01-444-0929
NSN 5960-00-389-2915
NSN 6150-01-651-7647
NSN 5905-01-034-0561
NSN 6150-00-278-1294
NSN 6650-00-226-7099
NSN 5910-01-400-0891
NSN 6610-01-319-5039
NSN 6650-01-024-9554
NSN 6220-01-262-0140
NSN 5960-00-024-7386
NSN 5925-01-347-8767