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 5985-00-153-0864
NSN 5975-01-118-5248
NSN 5945-01-423-1009
NSN 5835-01-588-6533
NSN 6320-01-155-8295
NSN 5998-01-004-8564
NSN 5920-01-444-1207
NSN 6240-00-857-5624
NSN 6105-01-180-9064
NSN 5855-01-406-2606
NSN 6130-01-372-0068
NSN 5915-01-358-4311