Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS90376-12RB found under Cap Protective Dust And Moisture by Federal Aviation Administration. The National Stock Number assigned to this part is 5340016130214, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MS90376-12RB.