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 6145-01-054-6022
NSN 5930-01-058-7716
NSN 6135-01-523-3198
NSN 4140-01-234-1736
NSN 7035-00-834-2090
NSN 6105-00-932-5309
NSN 5915-01-412-8397
NSN 5905-01-158-1474
NSN 5985-00-823-6302
NSN 6620-00-052-3277
NSN 6650-01-008-6080
NSN 6610-01-309-5361