Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S81915B-06-M31 found under Adapter Connector by Servicair B W Elliott Mfg Co Llc. The National Stock Number assigned to this part is 5935012979569, 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 S81915B-06-M31.