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 5998-01-314-3562
NSN 6130-01-458-6215
NSN 4140-01-459-6589
NSN 6150-00-979-3594
NSN 6650-01-361-0723
NSN 6685-01-643-1952
NSN 5930-01-464-4042
NSN 6105-00-244-5197
NSN 5930-01-262-2926
NSN 6620-00-658-6588
NSN 5895-01-368-1334
NSN 5950-00-797-2670