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 6645-01-633-1852
NSN 5855-00-832-9341
NSN 6645-01-305-4068
NSN 6650-01-388-2538
NSN 6220-01-439-5314
NSN 7035-01-448-0716
NSN 2925-00-981-5977
NSN 5996-01-400-3558
NSN 5855-00-256-5562
NSN 6145-01-484-8735
NSN 5999-00-201-7305
NSN 5905-01-046-9626