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 5960-00-171-9575
NSN 5965-00-351-7460
NSN 5855-00-532-0025
NSN 6220-01-304-7500
NSN 5945-00-262-2968
NSN 6650-01-227-6032
NSN 6145-00-501-5066
NSN 5910-00-539-7904
NSN 5998-01-124-9170
NSN 5950-01-161-8198
NSN 6320-01-607-0347
NSN 6150-01-052-1865