This is an original Early USN & USMC A-4 Skyhawk Pilot's SIF radio Control Box.   It is 5 3/4 x 2 1/2 x 7 inches.  This item was used in many different aircraft back in the day. This item is being sold as a collectable.  Payment must be received within 10 days of auction closing unless prior arrangements have been made. Buyer to pay shipping . AZ residents add 6.7% sales tax. If you have any questions please contact me via e-mail before bidding. Thank you for your interest in my auctions.