Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 117491E PIECE 42 found under Plug Expansion by Babcock And Wilcox Co. The National Stock Number assigned to this part is 5340006215443, 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 117491E PIECE 42.