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 5915-00-186-9346
NSN 6145-00-334-8635
NSN 5999-01-442-6988
NSN 6610-01-222-2558
NSN 6240-00-801-8002
NSN 5975-01-568-3147
NSN 5930-01-654-2046
NSN 5910-01-304-9768
NSN 5999-00-220-9166
NSN 5998-01-090-8594
NSN 2925-01-231-6312
NSN 6220-00-841-1275