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 6220-01-454-1594
NSN 6620-00-070-2680
NSN 5960-00-490-6238
NSN 5965-01-612-3799
NSN 5935-01-054-2357
NSN 5998-01-154-6929
NSN 6610-00-121-4683
NSN 5895-01-054-4104
NSN 5996-01-449-0666
NSN 5930-01-072-3135
NSN 2925-01-459-8093
NSN 2925-00-596-9775