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 5999-01-234-6263
NSN 6610-00-766-7923
NSN 5990-01-604-0862
NSN 6135-00-284-1406
NSN 5935-00-777-4362
NSN 5965-01-025-5129
NSN 5950-01-501-4210
NSN 5945-01-004-9646
NSN 6610-01-412-0058
NSN 6620-01-207-0667
NSN 5996-01-462-1631
NSN 5905-00-518-2666