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 5905-00-711-8566
NSN 5945-01-242-2081
NSN 5935-01-558-5441
NSN 5998-00-649-8680
NSN 6320-01-513-9166
NSN 6320-01-481-7322
NSN 5996-01-406-4035
NSN 5985-01-592-1591
NSN 5920-00-012-2000
NSN 2925-01-172-0176
NSN 6150-00-342-9765
NSN 4140-01-012-8614