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 5855-01-657-7657
NSN 6105-01-586-8715
NSN 7035-00-104-7613
NSN 6130-00-277-4402
NSN 6620-01-116-3983
NSN 5905-00-377-9184
NSN 6685-01-433-2050
NSN 5998-01-368-5042
NSN 5915-01-422-2014
NSN 5905-01-437-9008
NSN 5975-00-647-4968
NSN 5920-01-518-7963