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 4140-01-607-6551
NSN 6620-01-543-5491
NSN 6620-01-315-1857
NSN 5925-00-086-9288
NSN 6240-01-426-5581
NSN 5950-00-116-8987
NSN 6620-01-012-2852
NSN 5925-01-234-8312
NSN 6620-01-162-2839
NSN 7035-01-490-1696
NSN 5945-00-337-3860
NSN 6145-01-353-9645