MIL-DTL-87104C
4.6.4.3.2 Procedural steps. The shock test shall be conducted in accordance with the following steps:
Step 1: Subject the test sample to examination of product, procedure II (see 4.6.1.2).
a.
Step 2: Subject the test sample to VSWR, procedure II (see 4.6.2.1.2).
b.
Step 3: Subject the equipment to the RF insertion loss test, procedures I and II (see 4.6.2.3.2 and
c.
Step 4: Subject the equipment to the shock test as specified in MIL-STD-810, method 516.6, procedure I,
d.
figure 516.6-10. Remove the assembly from the test fixture.
Step 5: Place the coaxial assembly in the apparatus shown on figure 2 herein so that a section of the
e.
assembly's cable component 30 inches (762 mm) from the input connector lies directly beneath the
weight's impact surface.
f.
Step 6: Locate the weight within the guides with the impact surface of the weight toward the test sample
and at right angles to the centerline of the assembly's cable component. The distance between the impact
surface and the near point of the test sample shall be 4.0 +0.12 and -0.0 inch (101.6 +3.05 and -0.0 mm).
Drop the weight. Remove the assembly from the test fixture.
g.
Step 7: Place the coaxial assembly in the concentrated load fixture as shown on figure 3 so that a section
of the assembly's cable component 9 inches (229 mm) from the input connector lies directly beneath the
center of the plate.
h.
Step 8: Apply force to the plate at the rate of 20 pounds per second until the force reaches 100 pounds.
Hold this value for three minutes.
i.
Step 9: Remove the coaxial assembly from the test fixture and repeat steps 1 through 3.
Step 10: Subject the assembly to the examination of product, procedure III (see 4.6.1.3).
j.
4.6.4.3.3 Accept-reject criteria (see 3.5.3.5). If the coaxial assembly meets the accept-reject criteria of 4.6.1.2.2,
4.6.1.3.1, 4.6.2.1.2.5, 4.6.2.3.2.1 and 4.6.2.3.3.1, the coaxial assembly shall be considered to have passed the test.
4.6.4.4 Dust (fine sand) test (see 3.5.3.6). The dust test shall ascertain the ability of the equipment to resist the
effects of dust (fine sand) as would be encountered in a dry dust laden atmosphere.
4.6.4.4.1 Test setup.
4.6.4.4.1.1 Test equipment. The apparatus as specified in MIL-STD-810, method 510.5, shall be required.
4.6.4.4.1.2 Test conditions. The test conditions shall be specified in MIL-STD-810, method 510.5, procedure I,
and herein.
4.6.4.4.2 Procedural steps. The dust test shall be conducted in accordance with the following steps:
Step 1: Subject the test sample to examination of product, procedure II (see 4.6.1.2).
a.
Step 2: Subject the test sample to VSWR, procedure II (see 4.6.2.1.2).
b.
Step 3: Subject the test sample to the dust (fine sand) test as specified in MIL-STD-810, method 510.5,
c.
procedure I, except exposure to the conditions of procedure I shall be for a period of 2 hours.
d.
Step 4: Subject the test sample to examination of product, procedure II.
e.
Step 5: Subject the test sample to VSWR, procedure II.
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