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 6610-00-526-9440
NSN 5855-01-053-9684
NSN 5930-00-570-0248
NSN 6135-01-528-6896
NSN 6220-00-021-1034
NSN 6240-00-939-7859
NSN 5935-01-188-2782
NSN 5975-01-017-5681
NSN 5895-00-912-4745
NSN 6135-01-196-7399
NSN 6105-01-122-3835
NSN 6610-01-413-3912