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 6240-00-635-9953
NSN 5999-01-462-2644
NSN 6135-01-450-3781
NSN 5945-00-838-8777
NSN 5855-01-077-6264
NSN 5965-00-081-9412
NSN 5930-00-141-0535
NSN 5996-00-451-5058
NSN 6320-01-431-4359
NSN 5996-01-499-6817
NSN 5999-01-309-1312
NSN 6145-01-395-5874