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 6320-00-261-9136
NSN 5910-01-339-7770
NSN 5835-01-249-7393
NSN 5990-01-609-4793
NSN 5855-01-115-9014
NSN 5910-01-427-3819
NSN 5925-01-237-2501
NSN 6620-01-649-6050
NSN 6685-01-207-0666
NSN 5920-01-013-3883
NSN 6110-00-271-9928
NSN 5935-01-319-7002