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 5996-00-803-9984
NSN 6645-00-567-4562
NSN 6610-00-633-4338
NSN 6240-01-221-1378
NSN 4140-01-524-0036
NSN 2925-00-338-4667
NSN 5855-01-252-5424
NSN 6110-00-229-9079
NSN 5975-01-647-9538
NSN 6110-01-227-0432
NSN 6685-01-290-0950
NSN 6220-00-508-9155