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Industry has expressed concern that the electromagnetic emission limits of MIL-STD-461 are incompatible with the AC voltage waveform distortion limits of MIL-STD-704. Previous industry studies have attempted to establish a correlation between MIL-STD-704 and MIL-STD-461 limits, but lacked the comprehensive analyses/data required for a meaningful document comparison. This paper presents the Navy's on-going effort to investigate equipment compatibility with MIL-STD-461 and MIL-STD-704 limits and to establish a correlation between the limits of MIL-STD-461 and MIL-STD-704. A preliminary investigation was conducted to review the requirements, test methods, and measurement relationships of specifications MIL-STD-461, MIL-STD-462, MIL-STD-704, and MIL-STD-1399.

This paper describes the final chapter of the military specifications for aviation piston engine lubricants. The adoption and evolution of the Society of Automotive Engineers (SAE) Standards J1966 and J1899 from their initial development in 1991 to the present is reviewed. It includes the fine-tuning and revisions of the technical requirements derived from experience gained in qualification programs conducted. Also included are notes regarding the overall commercial oil qualification process and the remaining role of the U.S. Navy for military use approvals