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 5998-01-292-5520
NSN 6320-00-306-0124
NSN 6220-00-146-9332
NSN 6135-01-492-5717
NSN 5835-01-149-2442
NSN 6105-01-018-7797
NSN 5965-01-093-0642
NSN 5965-01-204-8505
NSN 6220-01-038-1404
NSN 5905-01-659-6962
NSN 6320-01-449-1014
NSN 5990-01-432-4984