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 5935-01-500-1374
NSN 6135-00-583-3966
NSN 5930-00-763-8032
NSN 5965-01-395-5802
NSN 5925-00-911-0593
NSN 5855-01-413-8962
NSN 5975-00-665-3644
NSN 6645-00-739-6718
NSN 5895-01-293-1140
NSN 5935-01-357-6533
NSN 5935-01-624-1372
NSN 5920-01-624-7882