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 6320-01-457-2805
NSN 5990-01-011-0683
NSN 6685-01-438-0413
NSN 6620-00-676-9563
NSN 5960-00-525-1898
NSN 6135-00-777-5562
NSN 6110-01-480-5498
NSN 5855-01-424-7477
NSN 5990-00-283-1324
NSN 6135-01-455-9646
NSN 5960-01-632-6576
NSN 4140-01-554-0886