Export restricted (ITAR), sale only to US Citizens and Organizations. Electro-pneumatic thrust valve affiliated with the Polaris/Poseidon Submarine Launched Missile (SLBM), measuring 6.25″ x 4″ x 3″, bearing a Sterer Engineering and Mfg. Co. plate on top: "Electro Pneumatic Thrust Valve Assem., Sterer Part No. 39540-5, Ser No. 11, LMSC Part No. 1462554-1CCA No. 1070-2168." In fine condition.
From The Peter Gerry Collection.