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Hatch, Block I, Apollo 4

Object Details

Summary
This hatch was part of the unmanned Apollo 4 Command Module (CM 017), which was launched on Nov. 9, 1967, the first flight of the giant Saturn V launch vehicle. The Apollo hatch had to provide a perfect seal for proper cabin pressurization, thermal protection during re-entry, and water-tight conditions during splashdown and recovery. The hatch is an example of the original Block I hatch design, later modified as a result of the fatal Apollo 204 fire in January 1967, after which rescue crews were unable to open the hatch quickly enough to have any chance of saving the astronauts’ lives.
North American Aviation made the hatch and it was transferred to the Smithsonian Institution with CM 017 by the NASA Johnson Space Center in 1974.
Data Source
National Air and Space Museum
Manufacturer
North American Aviation Inc.
Credit Line
Transferred from the National Aeronautics and Space Administration
Materials
Aluminum, Steel, Paint, Plastic, Acrylic (Plexiglas), Foam, Adhesive, Stainless Steel, Titanium
Dimensions
Approximate: 14.6 × 106.7 × 83.2cm, 24kg (5 3/4 in. × 3 ft. 6 in. × 2 ft. 8 3/4 in., 53lb.)
Type
SPACECRAFT-Crewed-Parts & Structural Components

Featured In

  • Human Spaceflight
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International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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