MIL-PRF-14442E(AT)
3.5.10.3 Torque values. The torque values required for assembly shall be marked on, or
adjacent to, each fitting or accessory involved, on the side torque wrench is applied. If the torque
required is the same for each such item, that value may be stenciled in only one place on the
surface of tank in a conspicuous location.
3.6 Operating. When installed in the vehicle structure for which it is designed, the fuel
tank shall be capable of withstanding the loads incident to road shock and vibrations common to
off-the-road and high speed highway operation of the vehicle.
3.6.1 Capacity. The nominal capacity of the fuel tanks shall be as specified with a
tolerance of + 3.0% (see 6.2).
3.6.2 Leakage. The fuel tank shall show no evidence of leakage.
3.6.3 Slosh. The fuel tank shall show no evidence of leakage or other failure such as
chafing, disengaged hangers, or liner breaks as a result of content sloshing.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.3).
b. Conformance inspections (CI) (see 4.4).
4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be
conducted under the following conditions:
a. Air temperature: 73 + 3 degrees Fahrenheit (°F)
b. Barometric pressure: 28.5 (+2, -3) inches (in.) mercury
c. Relative humidity: 50 + 5%
4.2.1 Test structure. When specified (see 6.2), the test structure shall be a simulation of
the actual vehicle structure. It shall duplicate the shape, dimensions and material of the tank
supporting structure in the vehicle. The necessary stops, cushions, and pads, identical with those
used in the finished vehicle, for mounting and supporting the tank, shall be provided. It shall be
constructed so that the test tank can be installed in and removed from the structure in an identical
manner to that used in the actual vehicle installation.
4.2.2 Support jig. The jig shall support the tank test structure specified in 4.2.1, to
simulate the actual vehicle installation. The support jig shall be a strongly constructed framework
of metal, for carrying the mounted test tank and designed for bolting to the rocker assembly
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