MIL-DTL-55353A
3.3.1 Acoustic quality. When the headset is tested as specified in 4.5.2, there shall be no buzzing, rattling, or
other spurious sounds in the acoustic output of the earphone.
3.3.2 Slide adjustment. When the headset is tested as specified in 4.5.3, the assembly shall have a smooth,
snug, push fit on the rod. A force of 25 ounces to 75 ounces shall be required to move the rod in the subassembly.
3.3.3 Strain relief. When the headset is tested as specified in 4.5.4, there shall be no slippage of the cord or
cable assembly out of the plug.
3.3.4 Random drop. When tested as specified in 4.5.5, the acoustic quality shall be as specified in 3.3.1, and
there shall be no loosening or deformation of parts or other damage to the headset.
3.3.5 Salt spray (corrosion). When tested as specified in 4.5.6, the acoustic quality shall be as specified in
3.3.1, and there shall be no loosening or deformation of parts or other damage to the headset.
3.4 Marking. Headset shall be marked in accordance with MIL-STD-130, with the military type number and the
manufacturer's name or code identification.
3.5 Workmanship. Headsets shall be processed in such a manner as to be uniform in quality and shall be free
from loose or deposited foreign materials, and other defects that will affect life, serviceability, or appearance.
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