Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SRC3888-40B found under Mounting Pad Electr by Src Tec Inc. The National Stock Number assigned to this part is 5999016408257, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SRC3888-40B.