This object is not on display at the National Air and Space Museum, it is either on loan or in storage.
Country of Origin: United States of America
3-D Test: 10.8 x 15.2 x 10.5cm (4 1/4 x 6 x 4 1/8 in.)
Physical Description:4-1/4in. wide, 4-1/8in. high, 6in. long; black with luminous horizontal compass rose.
Inventory number: A19791344000