DI-FORG-81177, DATA ITEM DESCRIPTION: RUDDER STOCK FORGING HISTORY (28 MAR 1991)

DI-FORG-81177, DATA ITEM DESCRIPTION: RUDDER STOCK FORGING HISTORY (28 MAR 1991)., This forging history provides complete metallurgical data for rudder stock(s) to assist in the structural design of rudders and their supports and to facilitate repair of the stock(s) during the life of the ship.