box: 1 in x 2 in x 2 1/2 in; tube: 2 1/8 in x 3/4 in x 3/4 in
This tube has 7 connector pins. The RCA logo and "MADE IN THE U.S.A." are printed in white on the side. The tube is enveloped by a card stock insert, which slides into a rectangular card stock sleeve with black text. The text reads "US ARMY - US NAVY TUBE JAN-JRC-2D21 CONTRACT NXSA-59081 CONTRACTOR WELLS-GARDNER & CO."