Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BM17019-3-42X found under Bolt Shoulder by Huck International Inc. The National Stock Number assigned to this part is 5306011434070, 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 BM17019-3-42X.