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 5915-01-442-4245
NSN 6135-01-451-2120
NSN 2925-00-998-3510
NSN 5999-01-426-8740
NSN 5998-00-546-2378
NSN 6135-00-134-6648
NSN 5920-01-481-7398
NSN 2925-00-678-5502
NSN 5975-00-200-2002
NSN 5920-01-529-0984
NSN 5835-01-016-8461
NSN 5925-01-242-5635