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 5975-01-578-8985
NSN 2925-01-356-6017
NSN 5999-01-399-8726
NSN 6610-00-979-4011
NSN 5998-01-545-5580
NSN 5855-01-500-6617
NSN 6650-00-842-5463
NSN 4140-00-809-3602
NSN 6320-01-216-1678
NSN 6645-01-354-7624
NSN 6610-01-189-3001
NSN 5915-01-284-8905