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 5910-01-242-9792
NSN 5975-00-171-1344
NSN 6135-00-044-3860
NSN 5910-01-521-9537
NSN 5985-01-221-6031
NSN 6240-00-695-1032
NSN 5985-01-529-0784
NSN 6610-00-186-9180
NSN 5985-00-776-5005
NSN 5975-01-376-1997
NSN 5965-00-583-4865
NSN 5915-00-719-6455