MIL-DTL-60201D
4.2.3.2 Residual magnetism. Each assembly shall be subjected to the test for excessive residual
magnetism as specified in 4.3.2. Failure of any unit to comply with 3.5 shall be cause for rejection of the
assembly.
4.2.3.3 Functional tests. The following tests shall be performed by the Government.
4.2.3.3.1 Ballistics. Twenty-one units shall be tested to determine compliance with 3.7. The units shall
be temperature conditioned as provided in table II and 4.3.4.2. Failure of any unit to comply with 3.7.1
through 3.7.6 shall be cause for rejection of the lot.
TABLE II. Conditioning temperature.
Temperature (F)
Sample size
Method
7
Load (see 3.7.1)
-65 to -70
7
Load (see 3.7.1)
65 to 75
7
Load (see 3.7.1)
195 to 205
Ballistic test samples for small lots shall be:
Lot size
Ballistic Sample
Less than 9
4
9 25
6
26 50
8
51 90
10
91 150
14
Over 150
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4.2.3.3.2 Retest. There shall be no retests.
4.2.3.3.3 Test failure. If a test failure is attributable to an assignable cause, excluding the test thruster,
the original test results shall be discarded and that test reconducted.
4.3 Test methods and procedures.
4.3.1 Breakaway torque. A torque wrench, set at the torque requirements specified in table I, shall be
used in conjunction with a fixture to determine the adequacy of the joints.
4.3.2 Residual magnetism. The assembly shall be tested for excessive residual magnetism using an
approved compass in an area free of local magnetic effects by placing the assembly 5 inches from the end at
the same height as the compass, in the north-south horizontal position (head end at south) with the compass
set in an east-west heading. The assembly shall be moved at a speed no greater than 10 feet per minute past
the compass for its entire length, rotated 90 degrees in the horizontal position about its longitudinal axis, and
moved slowly back past the compass. This procedure shall be repeated for each 90 degree rotation of the
assembly for four full passes.
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