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 6620-01-175-5922
NSN 4140-00-855-7532
NSN 2925-00-098-4165
NSN 6240-01-068-5961
NSN 5895-01-498-8174
NSN 6240-01-062-7101
NSN 6135-01-523-3198
NSN 5990-01-216-1276
NSN 5925-00-606-6529
NSN 6130-01-416-1200
NSN 5998-01-229-1084
NSN 6240-01-280-9739