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).
Classification: Military equipments not identified by kind
NSN 5915-01-198-6148
NSN 5925-01-153-7493
NSN 4140-00-254-7257
NSN 6240-00-591-6836
NSN 5998-01-524-4631
NSN 5895-00-371-6614
NSN 5895-01-314-0452
NSN 6240-00-910-3297
NSN 5950-01-085-6565
NSN 6645-00-531-2239
NSN 6105-01-244-0197
NSN 5915-00-078-9574