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 5935-00-824-5187
NSN 6610-00-195-7517
NSN 6240-01-168-3437
NSN 5950-01-576-8710
NSN 5975-00-989-2027
NSN 5895-00-325-8828
NSN 7035-00-111-4389
NSN 6645-01-044-6376
NSN 4140-01-431-6560
NSN 5910-00-317-7913
NSN 5996-01-476-7550
NSN 5975-01-643-8670