Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HBL 1203-L found under Switch Toggle by Hubbell Ltd. The National Stock Number assigned to this part is 5930014438845, 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 HBL 1203-L.