Part Number MIL-G-21164 6.5LB Grs in stock with ready to ship. Get an instant quote for Gulfstream Aerospace Corporation part number MIL-G-21164 6.5LB by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for MIL-G-21164 6.5LB. Our dedicated account manager will get back to you within 15 minutes.