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 6150-01-500-1850
NSN 6135-00-932-3136
NSN 4140-00-517-7902
NSN 5990-00-691-2697
NSN 5996-01-461-8897
NSN 5985-01-407-4528
NSN 5835-00-198-4936
NSN 5905-01-323-2261
NSN 5975-01-250-0124
NSN 6650-01-115-7981
NSN 5895-01-369-4224
NSN 5985-01-224-1170