Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 620510-08-04 found under Helmet Vehicle Inte by Vision Systems International Llc. The National Stock Number assigned to this part is 6150014916537, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 620510-08-04.