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 6220-01-375-5572
NSN 5920-00-854-8459
NSN 5950-01-360-1489
NSN 5999-00-169-7058
NSN 5920-01-378-3869
NSN 6105-01-578-6551
NSN 6645-00-816-5337
NSN 6240-01-433-9410
NSN 2925-00-730-3115
NSN 5999-00-823-5001
NSN 7035-01-372-3361
NSN 5998-00-408-9799