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 6620-01-352-5640
NSN 6135-00-170-8819
NSN 6320-00-853-1920
NSN 5930-01-656-9238
NSN 6150-01-447-3159
NSN 5950-01-634-0677
NSN 5925-00-841-6798
NSN 6105-00-556-0477
NSN 5910-01-323-5341
NSN 6320-00-405-2348
NSN 7035-00-252-7467
NSN 5985-00-103-3237