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 5960-01-434-5539
NSN 5998-01-373-8468
NSN 5905-01-068-9768
NSN 6650-00-087-6428
NSN 6135-00-196-5267
NSN 5905-00-902-2666
NSN 5965-00-513-1352
NSN 4140-00-109-5137
NSN 7035-01-459-8268
NSN 5960-00-452-0452
NSN 5999-00-269-3663
NSN 6610-01-408-9557