MIL-PRF-49291D
TABLE VI. Storage temperature test condition schedule and soak times.
Step
Action
Temperature (Cº)
Duration (hours)
1
Maintain
Room ambient
3
2
Ramp to
Low storage temp +0, -3
1.5
3
Maintain
Low storage temp +0, -3
120
4
Ramp to
25 ±2
1.5
5
Maintain
25 ±2
3
6
Ramp to
High storage Temp +3, -0
1
7
Maintain
High storage temp +3, -0
120
8
Ramp to
25 ±2
1
9
Maintain
25 ±2
3
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 material 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 which may be helpful, but is not
mandatory.)
6.1 Intended use. The optical fibers covered by this specification are intended for use in any
application where their performance characteristics are required. The fibers are suitable for installation
on aerospace systems within the limitations of applicable performance requirements.
6.1.1 Temperature rating. Temperature ratings as specified in specification sheets pertaining to this
specification represent the maximum permissible operating temperature range of the fiber.
6.1.2 Materials compatibility. The coating of the fibers covered by this specification may be degraded
by certain fluids or compounds. If such degradation occurs, the fluids or compounds and the conditions
necessary for failure should be added to the specification sheet as a precautionary note.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of this specification.
b. Packaging required (see 5.1).
c. Applicable specification sheet number, title, and date.
d. Applicable specification sheet PIN.
e. Quantity of fiber required.
Color coded coating of the optical fiber, if specified (see 3.8).
f.
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