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 6620-01-068-4498
NSN 5975-01-132-5362
NSN 5996-01-372-3710
NSN 6130-01-525-4304
NSN 5985-01-519-3138
NSN 5999-01-381-2457
NSN 2925-01-364-7926
NSN 5996-01-308-0865
NSN 7035-01-608-4642
NSN 6105-00-012-2392
NSN 5996-00-883-2051
NSN 6240-01-050-9156