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 5990-00-281-4164
NSN 5996-00-238-5654
NSN 5960-00-333-8174
NSN 5905-01-037-9673
NSN 5855-01-003-0848
NSN 6685-01-348-7025
NSN 6620-01-591-1331
NSN 6105-01-462-8351
NSN 5835-01-478-9428
NSN 5945-01-105-1901
NSN 6650-01-206-3584
NSN 5920-00-990-3116