Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HBL 1201 found under Light Switch by Hubbell Ltd. The National Stock Number assigned to this part is 5999016064232, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HBL 1201.