Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC1 1-4 found under Hanger Pipe by Thomas And Betts Corp. The National Stock Number assigned to this part is 5340010053155, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RC1 1-4.