An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.
Classification: Military equipments not identified by kind
NSN 6610-00-946-6146
NSN 5905-01-614-3255
NSN 5910-01-425-1375
NSN 6220-01-293-5450
NSN 6110-01-513-1783
NSN 5905-01-528-7879
NSN 5930-01-255-7660
NSN 4140-01-527-6715
NSN 6320-00-164-4087
NSN 5925-00-509-8773
NSN 6220-01-508-6261
NSN 6620-01-633-8443