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 6135-00-958-7981
NSN 5975-00-890-0129
NSN 6645-01-228-2127
NSN 6145-01-305-3898
NSN 5945-00-724-2839
NSN 5835-01-332-2867
NSN 6650-00-187-5388
NSN 6105-01-502-4238
NSN 5930-00-729-7295
NSN 2925-00-234-0479
NSN 5999-01-559-4665
NSN 6240-01-141-5230