Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G243988-1 found under Lockspring Turnlock Fastener by A T And T Technologies Inc. The National Stock Number assigned to this part is 5325005309034, 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 G243988-1.