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 5935-01-384-7474
NSN 6650-00-373-9220
NSN 5975-01-012-4367
NSN 6240-00-027-2082
NSN 5835-01-143-9143
NSN 5930-00-034-6598
NSN 5990-01-206-3606
NSN 2925-00-335-7119
NSN 6220-00-276-8681
NSN 6685-00-413-6671
NSN 5965-01-150-6315
NSN 7035-01-438-2108