Collection of seven flown main hatch shims from the Apollo 13 Command Module, each 2.5 x 2.5 with a one-inch diameter hole in the center and four smaller holes at the corners, removed from the spacecraft after splashdown and recovery. Two bear stenciled part numbers, “V36-553019, 165-67NC” and “V36-553019, 340-67-NC.” The five others are unnumbered, but all seven bear matching affixed “NC 14” inspection labels. In overall fine condition, with various marks and scratches. Accompanied by the original temporary parts removal tag from North American Rockwell Corporation, noted at the bottom, “Apollo 13,” for “Part Number: V36-553019 Shims; Authority MAO 301-0080 ‘A’ Chg Unit 108.”