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 4140-00-679-9512
NSN 6645-01-495-0939
NSN 7035-01-581-8397
NSN 5920-01-519-6237
NSN 5920-00-823-0969
NSN 5999-00-491-5677
NSN 2925-00-215-4954
NSN 5985-00-597-2966
NSN 5935-00-450-6170
NSN 5998-00-400-3179
NSN 4140-00-714-2288
NSN 6145-01-531-0193