MIL-S-8660C, MILITARY SPECIFICATION, SILICONE COMPOUND, NATO CODE NUMBER S-736 (22 SEP 1983) [S/S BY SAE-AS8660]., This specification covers one type of a non-melting, heat stable silicone compound for use in high tension electrical connections,ignition systems and electronics equipment; for application to unpainted mating threaded or non-threaded surfaces, and as a lubricant for compounds fabricated from rubber. This compound is effective in the temperature rangefrom -54掳C (-65掳F) to +204掳C,(+400掳F) for extended periods and to 260掳C (500掳F) for short periods. This compound is identified by NATO symbol S-736see 6.5).