Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R7781-115 found under Goggle Laser Protection by Glendale Protective Technologies. The National Stock Number assigned to this part is 4240001883728, and the Federal Supply Class is 4240 Safety And Rescue Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R7781-115.