A gold color metal and enamel device 1 inch (2.54 cm) in height overall, consisting of an oblong, with long axis vertical, divided quarterly red and dark blue, charged with a gold fleur-de-lis, all in front of a gold and dark blue checkered disc from which three gold rays extend at each side.
Dark blue and scarlet are the colors traditionally associated with The Adjutant General's Corps, under which the Battalion operates. The gold fleur-de-lis and six rays commemorate the Battalion's six campaign awards for service in the European Theater, World War II. The gold rays symbolize light beams and refer to the unit's mission to receive and orient replacement personnel. The oblong, a heraldic billet, is divided quarterly and alludes to the billeting of replacements and the assignment of quarters. The disc, symbolic of continuity, is checkered to further signify the processing and controlled reclassification of replacement of personnel.
The distinctive unit insignia was originally approved for the 347th Replacement Battalion on 9 January 1969. It was redesignated for the 347th Personnel and Administration Battalion on 19 April 1972. The insignia was redesignated for the 347th Replacement Battalion, with description and symbolism revised on 26 November 1990.