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 6150-00-518-1402
NSN 5855-00-832-9341
NSN 5835-01-088-4676
NSN 5960-00-185-9974
NSN 6320-00-701-0437
NSN 5835-01-621-2525
NSN 6220-01-634-0660
NSN 5990-01-386-5561
NSN 6645-01-519-6324
NSN 5999-01-012-0919
NSN 6320-01-397-9995
NSN 5996-00-289-9847