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 5915-01-617-0366
NSN 5975-01-572-5391
NSN 5910-01-117-2580
NSN 6220-01-536-6088
NSN 6610-01-137-1275
NSN 6240-00-104-4662
NSN 5910-00-433-5807
NSN 6105-00-367-1984
NSN 5930-00-576-0206
NSN 6105-01-365-5626
NSN 6110-00-955-0900
NSN 6135-01-610-7335