Part Number 240-0321-21SPA4J5-18F Rectangular Connectors in stock with ready to ship. Get an instant quote for Glenair Inc part number 240-0321-21SPA4J5-18F by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 240-0321-21SPA4J5-18F. Our dedicated account manager will get back to you within 15 minutes.