HURD brand military locks

Left -- Brass US marked with O.D. factory paint. Case measures 1.5 inches tall.
Middle -- Brass USN MAGAZINE marked with original key. Case is 1-3/8 " tall.
Right -- White Metal USN marked from a WW2 souvenir Jap chest sent home by 5th MarDiv vet. Has orig. key. Case is 1-3/8" tall. Note that the HURD is vertical.