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 5975-00-131-1583
NSN 6105-01-354-7475
NSN 6110-01-523-3770
NSN 5965-00-246-5612
NSN 6650-00-754-2276
NSN 6645-01-085-2885
NSN 6685-01-645-5138
NSN 5930-01-408-8354
NSN 5920-00-679-7852
NSN 5996-00-835-2605
NSN 2925-01-443-0590
NSN 4140-01-155-5620