Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99 000777 000 found under Circuit Card Assemb by Leidos Inc. The National Stock Number assigned to this part is 5998013801851, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 99 000777 000.