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 4140-00-479-9326
NSN 5855-01-419-5285
NSN 5945-01-393-3661
NSN 5835-00-373-2671
NSN 5915-01-535-1185
NSN 5998-01-622-1879
NSN 2925-00-041-0439
NSN 7035-00-981-7216
NSN 5998-01-259-4680
NSN 6145-01-326-4845
NSN 5835-00-761-5615
NSN 4140-01-336-3626