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 6145-00-269-4271
NSN 6610-00-484-9964
NSN 5910-01-109-7487
NSN 5950-01-155-4861
NSN 5835-01-632-6627
NSN 6130-01-133-6495
NSN 5960-00-646-4756
NSN 5975-01-430-4931
NSN 6320-01-416-9357
NSN 6130-01-312-4243
NSN 5975-00-225-8722
NSN 6645-01-225-4768