Part Number 0 455X having (CAGE Code 21938) and FSC 5220 Inspection Gages and Precision Layout Tools in stock with ready to ship. Get an instant quote for 0 455X Gage Ring Master Setting by Mahr Federal Inc. 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.