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 6620-00-233-6839
NSN 5930-00-564-4712
NSN 5950-01-363-0825
NSN 5920-00-945-7524
NSN 5920-01-594-5177
NSN 6105-01-386-1529
NSN 5965-00-711-6419
NSN 5975-01-162-6221
NSN 6320-01-173-7950
NSN 6645-01-290-3930
NSN 2925-00-513-1164
NSN 6685-00-559-2742