MIL-DTL-26126C
shall be sealed. The chamber pressure shall be reduced from room ambient to 1.00 inch (25.4
mm) (75,000 feet) +0.0 -.2 inch (5 mm) of mercury within 5 minutes, and shall be maintained at
this level for 30 minutes minimum. The chamber pressure shall be increased to room ambient
within 1 minute, and shall be maintained at room ambient pressure for 30 minutes, minimum.
The foregoing shall constitute one cycle. The relay shall remain fully immersed in the water
during the cycle.
c. Within a maximum of 1/2 hour after the cycle, each relay shall be removed from the water and
dried by shaking, wiping, or blowing with contaminant-free air or gas, but not by any form of
heating or baking.
d. Within a maximum of 1/2 hour after drying, each relay shall pass the insulation resistance and
dielectric withstanding voltage tests.
4.6.18 Resistance to solvents (see 3.5.17). Relays shall be tested in accordance with method 215 of
MIL-STD-202. The following details and exceptions apply:
a. Portion to be brushed: All marking.
b. Specimens to be tested: Three (one in each solution).
c. Examination: Specimens shall be examined for legibility of marking.
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. Typically, these relays are used to de-energize dc generator fields by tripping a dc
generator field control relay whenever the generator voltage exceeds the specified time-voltage values.
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 2.1).
c. Packaging requirements (see 5.1).
6.3 PIN. This specification requires a PIN that describes codification and/or classification and
appropriate references to associated documents (see 1.2 and 3.1).
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