MIL-T-24448A, MILITARY SPECIFICATION, TORSIONMETER (FOR MEASUREMENT OF TORQUE DEFLECTION OF PROPELLER PROPULSION SHAFTS OF NAVAL SHIPS) (20 APR 1971)., This specification covers electromechanical torque metering equipment (torsionmeter) for the measuring of the torsional deflection of a specified section of the propeller propulsion shaft used in Naval Ships. The equipment, essentially a stationary mounted sensing indications system, is capable of determining and processing for suitable display the stress conditions of a rotating shaft.