From Halopedia, the Halo wiki

Biographical information

Name: John

Birthplace: Earth

Date of birth: April 2nd, 2513

Gender: Male

Hair: Brown

Eye: Brown

Weight: Simular as John-117 with armor and without armor

Height: Simular as John-117 with armor and without armor

Political and military information

Spartan tag: 604

Branch: UNSC Navy

Group: Spartan-II Program Rank: Master Chief Petty Officer