Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 78 SHADE 10 found under Lens Helmet Welders by Glendale Protective Technologies. The National Stock Number assigned to this part is 4240010635640, 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 78 SHADE 10.