Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X12-403-240 found under Stuffing Tube by Bofors A B. The National Stock Number assigned to this part is 5975121679587, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X12-403-240.