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This helmet has the designation A-1-C, and was a modification of the Gemini G-4-C helmet. This helmet was worn by various astronauts during training sessions prior to the Apollo missions, though was never used during those missions.

The helmet was constructed of fiberglass and epoxy resin and was molded to fit directly into the neck bearing disconnect. A Plexiglas visor, capable of being raised for access, was attached with pivots, and when lowered into pressure sealing position, it locked in place with a latch. Communication devices with suede-covered ear pads were incorporated into the helmet.

The A-1-C helmet had a visor protector fabricated of cycolac protecting the visor when it was in the open position. There was a channel running down the middle of the protector to allow the latch assembly to slide back with the visor.

Transferred to the national Air and Space Museum from NASA in 1973

 Display Status

This object is on display in Human Spaceflight at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Human Spaceflight
Object Details
Country of Origin United States of America Type PERSONAL EQUIPMENT-Helmets & Headwear Manufacturer David Clark Company, Inc.
 Dimensions 3-D: 29.2 x 29.2cm (11 1/2 x 11 1/2 in.)
Other (neck ring): 9 in. (22.9cm)
 Materials Exterior: Fiberglass/epoxy shell
Visor: Plexiglas
Visor Protector: Cycolac
Fittings: Aluminum, steel
 Inventory Number A19730849001 Credit Line Transferred from the National Aeronautics and Space Administration Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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