Part Number JW-04-04-T-S-450-250 Board To Board Board Spacers Stackers in stock with ready to ship. Get an instant quote for Samtec Inc part number JW-04-04-T-S-450-250 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for JW-04-04-T-S-450-250. Our dedicated account manager will get back to you within 15 minutes.