Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0439 1461 found under Switch Assembly by J Blackwood And Son Pty Ltd. The National Stock Number assigned to this part is 5930002184736, 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 0439 1461.