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 6610-00-614-7943
NSN 5910-01-217-3782
NSN 5945-01-337-2007
NSN 5925-00-854-9200
NSN 6130-01-474-0436
NSN 5985-01-302-0913
NSN 5930-01-438-0029
NSN 5950-01-387-7945
NSN 5855-00-167-7893
NSN 5985-01-290-6497
NSN 5855-01-143-7051
NSN 5930-01-248-1911