MIL-DTL-55353A
4.5.3 Slide adjustment (see 3.3.2). The headset shall be clamped in a secure position and in such a manner
to allow the rods of the receiver holder to move freely. The rods shall be placed in the compressed position, and
the force required to move the rod to the extended position shall be measured. The force required to return the
rod to
the compressed position shall be measured. A spring scale with a hook or any other suitable method that is
agreeable with the contracting officer may be used to measure the force.
4.5.4 Strain relief (see 3.3.3). The cord conductors shall be detached from the plug. The jacket of the cord or
cable assembly shall be suitably marked adjacent to the end of the plug or clamp and its position relative to the end
of the plug noted. The plug shall be securely held or clamped, and a force shall be applied to the cord in a direction
tending to withdraw the cord from the plug. The force shall be increased gradually to 12 pounds and held at that
value for at least 10 seconds. A change in position of the jacket marking relative to the end of the plug shall be
considered as evidence of slippage of the cord or cable assembly out of the plug.
4.5.5 Random drop (see 3.3.4). The entire headset shall be dropped a distance of at least 6 feet onto a concrete
floor. At the discretion of the supplier, the floor may be covered with one layer of floor tile. The headset shall be
dropped one time in each of three planes for a total of three times. The acoustic quality shall be measured as
specified in 4.5.2.
4.5.6 Salt spray (corrosion) (see 3.3.5). Headsets shall be tested in accordance with method 101 of MIL-STD-
202. The following details and exceptions shall apply:
a.
Applicable salt solution: 5 percent.
b.
Test condition letter: B.
c.
Additional conditioning: Headsets shall be dried for 48 hours at room ambient temperature and conditions.
d.
Measurement after drying period: As specified in 4.5.2.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or
order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel, these personnel need to
contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements
are maintained by the Inventory Control Point's packaging activity within the Military Department or Defense
Agency, or within the Military Department's System Command. Packaging data retrieval is available from the
managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
*
6.1 Intended use. The headset specified herein is for military unique communication equipment applications
requiring proper performance under extreme operating conditions, which include mechanical shock and wet
environment.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a.
Title, number, and date of the specification.
b.
Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of individual documents
referenced (see 2._).
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