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 5915-00-356-0189
NSN 6105-00-989-6858
NSN 6135-00-500-2082
NSN 6150-01-631-9327
NSN 6650-00-356-8405
NSN 5915-01-386-3614
NSN 6645-01-340-4191
NSN 5935-01-472-9732
NSN 5998-00-753-7856
NSN 5920-01-468-5911
NSN 5999-01-379-7941
NSN 6645-01-647-3723