F-4C/D/E Phantom Fighter Armament Systems PB4Y Privateer It was also used in

It was also used in versions of US Army Air Force WWII fighters P-38

Measures approximately 5 inches diameter and 4 inches tall

part number 865FU-8-042

excluding the plaque

The other timer is more interesting and very convenient

F-4C/D/E Phantom Fighter Armament Systems PB4Y Privateer It was also used inThis booklet is a familiarization manual for armament systems, missiles, and weapons controls for the Vietnam War era jet fighter F 4 C D E Phantom. It is a highly detailed original printing of the Rev. 1 Dec 1967 booklet. It contains numerous tables, diagrams, and illustrations. The 46 page booklet measures 5 x 7 inches. It is in reasonable condition given its age. All pages appear to be present with no tears.