ESS Crossbow Hard Protective Case NSN-4240-01-583-5969. This ESS Glasses Accessorys provide protection for your valuable eye protection when they're not in use. For more Glasses accessories from ESS Safety Glasses and Goggles and other brands please visit our Glasses accessory page. Specifications for ESS Crossbow Eyeshields Hard Protective Case 740-0445: Manufacturer: ESS Color: Black Additional Features: Crush-Resistant Molle Attachment NSN: 4240-01-583-5969 Features of ESS Crossbow Replacement Eyeshield Case 7400445: Carries Crossbow Series Eyeshield Rugged and zippered Package Contents: ESS Crossbow Replacement Hard Protective Case 740-0445