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 6650-01-569-0004
NSN 5935-01-375-6646
NSN 5998-01-518-2764
NSN 5990-01-574-2522
NSN 5950-01-421-3169
NSN 5950-01-568-2118
NSN 5975-01-225-9999
NSN 6145-01-578-1561
NSN 4140-01-018-2984
NSN 6320-01-090-8296
NSN 6105-01-088-8133
NSN 6685-00-996-1331