Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 509441-414 found under Bolt Internal Wrenching by Apollo Aerospace Components Llc. The National Stock Number assigned to this part is 5306016586881, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 509441-414.