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 6110-01-391-1830
NSN 2925-00-964-7128
NSN 6320-01-415-0953
NSN 6135-01-177-3552
NSN 6645-01-010-3746
NSN 5975-00-921-3644
NSN 5998-01-238-5250
NSN 5998-01-310-3178
NSN 5915-00-695-9342
NSN 5925-01-281-2193
NSN 5855-01-088-8700
NSN 5835-01-412-0344