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|  MIL-R-85523A(AS)
pressure of 18 inches of water. The regulator shall show no sign of material or
mechanical failure during or after testing. Regulators which do not incorporate
a relief valve need not meet this requirement.
3.6.5
Overload.
3.6.5.1 Outlet. The regulator, when tested as specified in 4.8.5.1, shall
show no evidence of material or mechanical failure during or after exposure.
3.6.5.2 Inlet. The outlet pressure of the regulator, when tested as
specified in 4.8.5.2, shall be not greater than 2.5 inches of water at any time
during the test.
3.6.6 Altitude cycling. The regulator, when tested as specified in 4.8.6,
shall operate as required and the outlet pressure shall be in accordance with the
limits specified in Table IV. The regulator shall show no evidence of mechanical
or material failure during or after exposure. After exposure, the regulator
shall be tested as specified in 4.8.1.1, 4.8.2.2.2 , 4.8.4.1, and 4.8.4.2 and
shall pass the respective requirements of 3.6.1.1, 3.6.2.2.2, 3.6.4.1, and
3.6.4.2. If the regulator design incorporates a relief valve, the regulator
shall be tested as specified in 4.8.4.3 and pass the requirements of 3.6.4.3
after exposure.
Extreme temperatures.
3.6.7
3.6.7.1 High temperatures. The regulator, when tested as specified in
4.8.7.1, shall operate as required and the outlet pressure shall be within +0.0/-
1.0 inch of water of the limits specified in Table IV. The regulator shall show
no evidence of mechanical or material failure during or after exposure. After
exposure, the regulator shall be tested as specified in 4.8.1.1, 4.8.2.2.2,
4.8.4.1, and 4.8.4.2 and shall pass the respective requirements of 3.6.1.1,
3.6.2.2.2, 3.6.4.1, and 3.6.4.2. If the regulator design incorporates a relief
valve, the regulator shall be tested as specified in 4.8.4.3 and pass the
requirements of 3.6.4.3 after exposure.
3.6.7.2 Low temperature. The regulator, when tested as specified in
4.8.7.2, shall operate as required and the outlet pressure shall be within +1.0/-
0.0 inch of water of the limits specified in Table IV. The regulator shall show
no evidence of mechanical or material failure during or after exposure. After
exposure, the regulator shall be tested as specified in 4.8.1.1, 4.8.2.2.2,
4.8.4.1, and 4.8.4.2 and shall pass the respective requirements of 3.6.1.1,
3.6.2.2.2, 3.6.4.1, and 3.6.4.2. If the regulator design incorporates a relief
valve, the regulator shall be tested as specified in 4.8.4.3 and pass the
requirements of 3.6.4.3 after exposure.
3.6.7.3 Temperature shock. The regulator, when tested as specified in
4.8.7.3, shall show no evidence of mechanical or material failure during or after
exposure. After exposure, the regulator shall be tested as specified in 4.8.1.1,
4.8.2.2.2, 4.8.4.1, and 4.8.4.2 and shall pass the respective requirements of
3.6.1.1, 3.6.2.2.2, 3.6.4.1, and 3.6.4.2. If the regulator design incorporates a
relief valve, the regulator shall be tested as specified in 4.8.4.3 and pass the
requirements of 3.6.4.3 after exposure.
3.6.8 Vibration. The regulator, when tested as specified in 4.8.8, shall
operate as required and the outlet pressure shall be in accordance with the
limits specified in Table IV. The regulator shall show no evidence of mechanical
or material failure during or after exposure. After exposure, the regulator
shall be tested as specified in 4.8.1.1, 4.8.2.2.2, 4.8.4.1, and 4.8.4.2 and
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