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 5945-01-469-0301
NSN 5835-01-138-0181
NSN 6620-00-112-1214
NSN 5996-00-161-4202
NSN 5930-01-572-7877
NSN 6650-00-597-7313
NSN 5905-01-591-9642
NSN 4140-01-117-7733
NSN 5915-01-484-7489
NSN 4140-00-595-4822
NSN 6320-01-449-1014
NSN 5996-00-803-4595