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 5905-00-150-8601
NSN 5835-01-050-7882
NSN 5910-01-346-1265
NSN 6130-01-608-8019
NSN 6240-00-459-5367
NSN 5910-01-242-8719
NSN 5975-01-634-0678
NSN 5935-00-731-4412
NSN 5905-01-047-6914
NSN 5935-00-050-0705
NSN 6145-00-147-8157
NSN 5835-00-631-5762