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 5835-01-156-5622
NSN 6135-00-958-7981
NSN 6650-00-804-2039
NSN 5855-01-042-7990
NSN 5905-01-654-3701
NSN 7035-01-552-8475
NSN 5945-01-472-2941
NSN 5925-01-581-0005
NSN 5835-01-106-1456
NSN 5999-01-468-5079
NSN 6220-00-450-9973
NSN 6685-00-203-4485