Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A5A3B2-.063 found under Receptacle Turnlock Fastener by Avibank Mfg Inc. The National Stock Number assigned to this part is 5325010213816, 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 A5A3B2-.063.