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 5905-01-569-0227
NSN 5925-01-409-2616
NSN 6130-01-094-7070
NSN 5985-00-962-8415
NSN 5855-00-089-3974
NSN 5925-00-768-2593
NSN 5950-00-286-3301
NSN 6610-01-160-8815
NSN 5895-01-558-6221
NSN 6220-00-718-6128
NSN 5920-01-634-0250
NSN 5920-00-081-8641