Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3A 111 8D found under Bolt Close Tolerance by British Standards Institution. The National Stock Number assigned to this part is 5306997338643, 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 3A 111 8D.