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 6645-01-400-2119
NSN 6135-01-408-9244
NSN 5996-00-758-3432
NSN 6130-01-057-4055
NSN 5930-00-098-9584
NSN 5999-00-290-5898
NSN 6150-01-196-6329
NSN 5975-01-468-6319
NSN 6650-00-650-8080
NSN 5935-01-021-4604
NSN 6685-01-473-8393
NSN 5910-01-641-1600