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 6240-00-290-4185
NSN 5998-01-545-6470
NSN 6135-00-900-2139
NSN 4140-00-756-4193
NSN 6320-01-036-2598
NSN 6610-01-631-4355
NSN 6150-00-931-2050
NSN 6130-00-322-6460
NSN 6645-00-536-1555
NSN 5910-01-340-9867
NSN 6685-00-754-7495
NSN 5920-01-271-2304