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 5990-01-449-7090
NSN 6610-01-584-4787
NSN 6320-01-176-8367
NSN 6320-00-456-2092
NSN 5915-01-476-0817
NSN 5998-01-510-7494
NSN 2925-00-964-7128
NSN 5920-01-634-0250
NSN 5950-01-589-0834
NSN 5910-01-535-7126
NSN 6650-01-373-8067
NSN 6645-00-004-8628