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 6220-00-361-8338
NSN 2925-01-113-6904
NSN 5990-01-334-4111
NSN 5920-01-385-8648
NSN 5960-00-968-7582
NSN 6620-01-573-1952
NSN 6645-00-960-6594
NSN 5935-01-617-7118
NSN 5895-01-221-1074
NSN 5855-00-004-0904
NSN 5895-01-430-9559
NSN 5925-00-350-8271