This is probably an unflown fragment of the optical system used on the Apollo Command Module to assist the astronauts in navigation from Earth to the Moon and back.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
United States of America
SPACECRAFT-Crewed-Guidance & Control
Kollsman Instrument Company
8 3/4" x 4 5/8" x 3 3/8"
Anodized Aluminum
Stainless Steel
Glass
Aluminum
Paint
A20020515001
Found in collection. Donor unknown at this time. Found on NASM premises.
National Air and Space Museum
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.