This Aerospace Standard establishes the diameter - pitch combinations of ISO metric 60 screw threads recommended for use in the aerospace industry for metric module shaft of bearing retaining screw threads.
These specifications contain general information about the characteristics of ignition systems and measuring techniques; recommended types of voltage dividers and output indicators; calibration procedures.
This report includes a procedure for typical pulse voltage measurement using the pressurized ball gap, calibration procedure, and a description of the pressurized ball gap.
This report covers the use, electro-mechanical description, and accuracy of a pulse generator in the range of 5 to 30 kilovolts and zero to peak voltage time of less than 1.0 microsecond.
This report describes a method of semiconductor resistance measurement using controlled energy levels and a digital processing oscilloscope to acquire and process test data.
These specifications contain general information pertaining to the sparking voltage parameter of shunted surface gap spark igniters; test equipment circuitry; bill of materials for test equipment; test equipment operation.