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|  MIL-M-70542 (AR)
4.7.10.7 Humidity. Place the MBD) in' a humidity chamber and sub-
ject it to the humidity test specified in MIL-STD-810, Method 507.1,
Procedure IV. During steps 4, 6 and 8 of Procedure IV, subject the MBD
to the performance tests of 4.74. After exposure, subject the
assembly to the performance tests of Table II.
4.7.10.8 Dust. Subject the MBD to the dust test specified in
MIL-STD-810, Method 509.1, Procedure I. At the conclusion of this
test, subject the MBD to the performance tests of Table II.
4.7.10.9 Salt fog. Subject the MBD to the corrosion test spe-
cified in MIL-STD-81O, Method 509.1, Procedure I. At the conclusion
of this test, subject the MBD to the performance tests of Table II.
PACKAGING
5.
5.1 Packaging, packing and marking. Packaging, packing and
marking shall be in accordance with Packaging Data Sheet P11785384.
The level of protection shall be as specified in the procurement docu-
ment (see 4.1.3).
NOTES
6.
6.1 Intended use. The MBD 11785384 is specifically used for
precise sight alignment facilities required by modern high performance
gun barrels.
Procurement documents should specify the
6.2 Ordering data.
following:
a. Title, number and data of this specification.
b. Selection of applicable levels of preservation, packaging
and packing.
c. Applicable packaging data (see 5.1)
d. Applicable stock number.
e. Provisions for first article testing.
Preparing Activity:
Custodian:
Army - AR
Army - AR
(Poject 1240-A836)
-13-
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