Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WR6-3681 found under Fuse Cartridge by Carrier Corporation. The National Stock Number assigned to this part is 5920011795289, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WR6-3681.