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 5985-01-591-6406
NSN 2925-01-407-4958
NSN 5960-01-612-6869
NSN 5960-00-096-7140
NSN 5915-01-256-2584
NSN 5990-00-232-3965
NSN 5945-01-501-5487
NSN 5960-00-998-4324
NSN 6220-01-050-8122
NSN 5945-00-522-9639
NSN 6620-01-154-7051
NSN 7035-01-327-0793