This Remington manufactured rear cover screw bushing is for the Nylon 66 semi-auto rimfire rifle and is in near excellent condition with light wear.  (file photo)

NOTE: Firearms with the following year/serial number have been observed with this part:A2182642, 2482446 (AZ) March 1975

NSN: (LG) February 1960, (AG) March 1960, (WH) August 1960, (DH) September 1961, (BK) January 1963, (RL) November 1964, (LM) February 1965, (DN) September 1966, (RN) November 1966, (PS) June 1969, (CW) April 1972, (AX) March 1973, (CY) April 1974, (EY) October 1974, (AZ) March 1975, (DI) September 1976, (EV) October 1979, (RV) November 1979, (LA) February 1980, & (CD) April 1983