Private First Class Hansinger was a medic with the Medical Company, 21st Infantry Regiment, 24th Infantry Division. He was taken Prisoner of War while tending his wounded comrades near Chochiwon, South Korea, on 12 July 1950, forced to march to North Korea on the "Tiger Death March", and died while a prisoner at the "Cornfield" near at Manpo, North Korea, on 28 October 1950. His remains were not recovered. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

Hansinger was awarded the Combat Medical Badge, the Prisoner of War Medal, the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation and the Republic of Korea War Service Medal.