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 5835-01-209-6410
NSN 6645-01-296-9769
NSN 5990-00-752-2126
NSN 5895-01-396-1129
NSN 5998-00-947-3709
NSN 5990-01-493-4039
NSN 5975-01-291-7510
NSN 6110-01-327-0755
NSN 6610-00-484-2662
NSN 6240-00-580-0666
NSN 5925-01-233-5168
NSN 7035-01-555-8793