MIL-DTL-10058J
3.2.14 Safety fuze cord. The fuze assembly material and dimensions shall be in
accordance with 9345134.
3.2.14.1 Burning time of safety fuze. Each safety fuze, prepared for assembly to the
simulator, shall be cut perpendicular to its axis without fraying or damaging the safety fuze. It
shall burn within the time limits specified on the applicable drawing following bending to
simulate the bend from the lasting fuze igniter to the whistle loading assembly of the simulator.
The length of the fuze cord shall be cut to determine a burn time of the safety fuze to be greater
than or equal to six (6) and less than or equal to ten (10) seconds.
3.3 Moisture content
3.3.1 Flash composition moisture content. The moisture content for the flash composition
for part number 7549246-1, (NSN 1370-01-557-8527) shall be in accordance with 8865588 and
shall be in accordance with 13020526 for part number 7549246-2 (NSN 1370-00-752-8126).
3.3.2 Whistle composition moisture content. Whistle composition shall be in accordance
with 7549227 and the moisture content of the whistle composition at the loading station at the
time of loading shall not exceed 0.10 percent.
3.3.3 Flash composition formulation. The formulation for the flash composition for part
number 7549246-1, (NSN-1370-01-557-8527) shall be in accordance with 12972326 and shall
be in accordance with 13019989 for part number 7549246-2 (NSN 1370-00-752-8126).
3.3.4 Flash composition granulation. The granulation for the flash composition for part
number 7549246-1, (NSN 1370-01-557-8527) shall be in accordance with 12972326 and shall
be in accordance with 13019989 for part number 7549246-2 (NSN 1370-00-752-8126).
3.4 Jumble. The simulator shall comply with the following requirements when subjected
to a jumble environment:
a.
The simulator shall not function during test.
b.
There shall be no loose pyrotechnic powder on the simulator or in the test box
after jumbling.
c.
The simulator components shall not separate during the test.
3.5 Functioning requirements. The simulators shall function at ambient (70° ± 5° F) and
cold temperatures (minus 65 ±5° F) and shall comply with the following requirements:
3.5.1 Premature delay. The simulator shall not function prematurely (less than five (5)
seconds delay) and the delay time shall be greater or equal to six (6) seconds and less than or
equal to ten (10) seconds. After safety fuze burns for six (6) to ten (10) seconds, the simulator
shall whistle for three (3) to six (6) seconds before the simulator explodes.
3.5.2 Sound level intensity. The sound level intensity shall be not less than 138 decibels
at a distance of 75 ± 0.5 feet from the simulator.
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