P/n is differentiated by one red dot located 90 degrees +/- 10 degrees cw or ccw from flat on optical element"
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 6685-01-101-5964
NSN 6650-00-246-3751
NSN 5910-01-005-5756
NSN 6240-00-962-0525
NSN 6610-01-350-5590
NSN 5990-01-463-2279
NSN 6110-01-511-9917
NSN 4140-01-359-7829
NSN 5905-00-878-2871
NSN 5975-01-447-1189
NSN 5960-01-125-2356
NSN 4140-00-137-2493