Dominion UO7RD | Ilco O1007RD, 01007RD, RD | Jet 6270RD | JMA SAR-87D | Original 6270RD | Orion O1007RD | Silca SAR24
6 Pin. RD Section. Most original Sargent keys, along with some aftermarket blanks, have a small RD stamped on the head of the key.
Invest In America: Made in U.S.A.