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 6240-01-240-7529
NSN 6685-00-806-4693
NSN 6135-00-982-1882
NSN 6130-00-829-3876
NSN 5920-00-816-7535
NSN 5930-01-420-7454
NSN 6145-01-214-5374
NSN 5975-01-193-6739
NSN 5930-01-367-5391
NSN 6130-01-615-8508
NSN 5965-01-141-6485
NSN 6620-01-301-3258