Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F1A L1DW-LINE 1-2 found under Push Button by Ducommun Technologies Inc. The National Stock Number assigned to this part is 5930011380369, 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 F1A L1DW-LINE 1-2.