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 5990-00-345-8967
NSN 5855-01-289-4253
NSN 6650-00-670-2516
NSN 6110-01-301-2255
NSN 7035-01-227-2546
NSN 5960-01-003-5819
NSN 5930-01-435-5470
NSN 5999-00-683-6660
NSN 5975-00-581-9862
NSN 7035-01-007-7181
NSN 5945-01-398-0785
NSN 5920-00-059-1106