Part Number 71-3021-CR4U864.583KHZ having (CAGE Code 99994) and FSC 5955 Oscillators Piezoelectric Crystals in stock with ready to ship. Get an instant quote for 71-3021-CR4U864.583KHZ Crystal Unit Quartz by Miscellaneous. 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.