Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1988-2110A2-0-4 found under Adapter Connector by H And H Industries Inc. The National Stock Number assigned to this part is 5935014210395, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S1988-2110A2-0-4.