An item externally or internally threaded on one end, designed to be attached to the viewing end of an eyepiece. It is used to prevent physical contact of the observers' eye(s) with the eye lens(es) and protect the lens(es) from damage. Excludes eyeshield, optical instrument; and visor (as modified).
NSN 6145-01-181-5405
NSN 6150-01-364-2159
NSN 5975-01-341-2676
NSN 6130-00-239-4979
NSN 6145-01-600-8532
NSN 5835-01-332-2867
NSN 5945-01-218-9315
NSN 5985-01-478-5332
NSN 6130-01-649-9961
NSN 5920-01-549-3142
NSN 4140-01-092-0806
NSN 5925-01-563-7579