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 6645-01-054-3969
NSN 5990-01-060-3687
NSN 2925-01-422-1542
NSN 6320-01-607-1491
NSN 5996-01-661-2131
NSN 5985-01-121-9671
NSN 6135-00-078-9931
NSN 5835-01-373-3498
NSN 7035-00-155-9513
NSN 5835-01-314-2781
NSN 6240-01-272-5893
NSN 6150-01-525-6653