Part Number 87A503M having (CAGE Code 91637) and FSC 5905 Resistors in stock with ready to ship. Get an instant quote for 87A503M Resistor Variable Nonwire Wound Nonprecision by Vishay Dale Electronics. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.