Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3560B found under Bolt Wrecker Stiff by Holmes Intl Inc. The National Stock Number assigned to this part is 5306006996510, 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 3560B.