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JP-4Jet Propulsion Fuel, Type 4
References in periodicals archive ?
By tar the most common fuel in use, stateside, is JP-4, and, as we will see, there is JP-4 and there is JP-4, and then there is JP-8.
The two fuels, JP-4 and JP-8, present contrasting media to the seals, the change from one to the other ("switch loading") may be especially critical in going from JP-4 to JP-8.
The composition of JP-4 appears especially critical.