Part Number 660 004MT20S5 21 having (CAGE Code 06324) and FSC 5340 Hardware, Commercial in stock with ready to ship. Get an instant quote for 660 004MT20S5 21 Cap Protective Dust And Moisture by Glenair 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.