Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PBN3C441D found under Switch Pressure by Honeywell International Inc. The National Stock Number assigned to this part is 5930016243491, 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 PBN3C441D.