Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB14W-18-581 found under Dummy Connector Receptacle by Amphenol Optimize Manufacturing Co. The National Stock Number assigned to this part is 5935011580369, 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 MB14W-18-581.