No other part numbers with same form, fit, and function found.
A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.
Classification: Military equipments not identified by kind
NSN 5990-01-544-4360
NSN 6240-00-011-0183
NSN 6105-01-600-1884
NSN 4140-01-023-1537
NSN 5935-00-053-0860
NSN 4140-00-287-5476
NSN 6130-01-237-1164
NSN 5935-00-192-6103
NSN 5935-01-463-7991
NSN 5965-01-051-0126
NSN 5945-00-248-6798
NSN 5965-01-320-0260