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 6650-00-641-6139
NSN 6105-01-188-7292
NSN 6240-00-411-1140
NSN 6610-01-412-0058
NSN 6135-01-120-9812
NSN 6135-01-260-7180
NSN 5985-00-166-6623
NSN 5905-01-014-7735
NSN 5998-01-204-4176
NSN 6105-01-580-5072
NSN 7035-00-794-0792
NSN 6320-01-578-6006