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 5920-00-180-4278
NSN 6110-01-364-7168
NSN 5855-01-492-0555
NSN 5905-01-474-8004
NSN 5895-00-927-7823
NSN 6240-01-196-8550
NSN 5965-01-091-1884
NSN 5998-01-278-0785
NSN 6645-01-172-1406
NSN 5930-01-418-0965
NSN 6110-00-659-3348
NSN 5945-00-379-6745