Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS400-BA found under Circuit Card Assembly by Datametrics Corporation. The National Stock Number assigned to this part is 5998013185859, 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 MS400-BA.