MIL-DTL-24223/2B(SH)
Stray magnetic field: Low stray magnetic field loudspeakers such as LS 535()/SIC and LS 536()/SIC shall not
exceed 210 gamma (2.10 milloersted). All material except the permanent magnet shall be nonmagnetic, having a
permeability of 2.0 or less after fabrication. The permeability of this material shall be determined as specified in the
stray magnetic field test of MIL-DTL-24223.
Gun blast. After testing the loudspeaker in accordance with the gun blast testing of MIL-DTL-24223, the
equipment shall show no damage, and shall meet the acoustic performance after salt spray, vibration, and shock tests
requirements of MIL-DTL-24223, except the level shall be within 3 dB of the values measured before gun blast test.
"Damage" is interpreted as evidence of rupture, fracture, tearing, or mechanical deformation that would impair the
operation of the device.
CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes
with respect to the previous issue due to the extent of the changes.
Preparing Activity:
Navy SH
(Project 5965-2012-004)
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at https://assist.dla.mil.
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