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 6620-00-394-1812
NSN 6620-00-846-3287
NSN 6105-01-406-4844
NSN 5996-01-544-9731
NSN 5835-01-328-6626
NSN 5910-01-013-5040
NSN 6220-01-423-8319
NSN 6150-01-350-9023
NSN 6145-00-281-8161
NSN 6150-01-056-4345
NSN 5905-01-152-2580
NSN 6320-01-359-3921