Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM-B-169067 found under Boot Dust And Moisture Seal by M And S Electronics Inc. The National Stock Number assigned to this part is 5930006980424, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM-B-169067.