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in the closed position. Pressurize the telescope's counterbox
assembly with dry nitrogen as specified in 3.7.2. The accuracy of
the test equipment used for this pressure test Drawing 8565556.
4.11.3 Purging assembled telescope. Connect the test
equipment to the purging valve of the telescope. Adjust the dry
nitrogen pressure to the pressure specified in 3.8.2. The
pressure is to remain constant until the dew point of the emergent
0
gas is no higher than -25 F. Disconnedt the purging apparatus
when the relief valve has reseated to maintain an internal
pressure of 3.8.3.
4.12 Packaging inspection. The preservation, packing, and
marking shall be inspected to verify conformance to the
requirements of 5.1.
5.
PACKAGING
5.1 Packaging, packing, and marking. Packaging, packing and
marking shall be in accordance with MIL-P-14232 and the Packaging
Data Sheet 11741101, 1.2599167 or 12599209 as applicable. The
level of protection shall be as specified in the procurement
document.
6.
NOTES
(This section contains information of a general or
explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. he Panoramic Telescope, M137 and M137A1,
when mounted on their respective telescope mounts are primarily
intended to lay the howitzer in azimuth for indirect fire.
requirements. Provurement data should
6.2 Acquisition
specify the following:
a.
Title, number and date of this specification.
b.
Selection of an applicable level of preservation,
packaging, and packing.
c.
Applicable packaging data sheet number (See 5.1).
d.
Applicable stock number.
e.
Provisions for First Article Testing.
f.
Reliability Assurance Sample.
g. Contract data requirements for submission of inspection
equipment designs conforming to Data Item Description DI-R-1714.
(See 6.3.1.)
24
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