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 5996-01-494-8178
NSN 6645-01-495-0939
NSN 5920-01-616-2212
NSN 6240-01-139-1066
NSN 6610-01-144-4228
NSN 5998-01-142-2088
NSN 5925-01-483-2007
NSN 5925-00-209-0435
NSN 6610-01-443-0264
NSN 5930-01-367-2184
NSN 5905-01-474-5173
NSN 5835-01-464-7038