Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LP3-R1A321W found under Switch Push by Otto Engineeringinc. The National Stock Number assigned to this part is 5930015353257, 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 LP3-R1A321W.