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 5930-01-575-7373
NSN 5945-00-984-5200
NSN 6150-00-974-7977
NSN 6110-01-396-7693
NSN 6110-00-233-8121
NSN 5855-01-420-0851
NSN 5999-01-359-2028
NSN 5895-01-050-1278
NSN 6135-00-567-1322
NSN 5945-01-632-5495
NSN 5965-00-193-2406
NSN 4140-01-343-2887