Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AN230B1 found under Grommet Metallic by Aeronautical Standards Group. The National Stock Number assigned to this part is 5325002910275, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AN230B1.