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 5855-01-340-6541
NSN 6130-00-375-6299
NSN 5835-00-707-6266
NSN 6135-01-322-4655
NSN 4140-01-575-9814
NSN 5975-00-265-1747
NSN 5835-00-794-7500
NSN 6130-01-649-9056
NSN 6320-01-578-6006
NSN 5945-00-245-1974
NSN 5999-01-249-6429
NSN 6150-00-480-9050