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 5950-01-181-3079
NSN 5999-00-216-8850
NSN 5920-00-216-8665
NSN 5945-00-448-2784
NSN 6620-01-311-3516
NSN 6110-00-625-8643
NSN 5855-01-169-4275
NSN 6135-01-286-9563
NSN 5950-00-938-1391
NSN 6650-01-607-7600
NSN 6240-01-540-5980
NSN 5965-01-089-7678