MIL-DTL-83503C
4.6.21 Fungus resistance. There shall be no evidence of fungus growth on the external surfaces when
tested as specified in 3.5.17. The following details shall apply:
a. Test specimens may be from completely fabricated parts, or sections or subassemblies cut from
completely fabricated parts.
b. For visual evaluation three test samples shall be inoculated. If the two sides of a test sample are
different, the test shall be conducted on three samples of each side, face up and face down.
c. Using visual inspection, look for evidence of cracking, swelling, discoloration, blistering or other
signs of deterioration in the test sample.
d. Immediately after visual inspection perform the withstanding voltage test (sea level) as specified in
e. Each individual insulator body material used shall be tested; individual detail specification sheets
do not need to be tested that utilize the same insulator body material.
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 or in-house
contractor personnel, these personnel need to contact the responsible packaging activity to ascertain
packaging requirements. Packaging requirements are maintained by the Inventory Control Point's
packaging activity within the Military Service or Defense Agency, or within the Military Service system
commands. 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 sockets covered by this specification are intended for use on a printed circuit
board or mounting into a chassis. Terminals may be soldered to the printed circuit board unless otherwise
noted (see 3.1). Only plug-in component leads with similar finishes to the mating socket contacts should
be mated; reference MIL-HDBK-454, General Guidelines for Electronic Equipment.
6.1.1 Military-unique rationale. The connectors covered by this specification are military unique
because they must be able to operate satisfactorily under high altitude (70,000 feet maximum), resist
corrosion due to salt spray; and 30 g of shock without discontinuities. Commercial electronic connectors
are not designed to withstand such extreme environmental conditions and would experience catastrophic
failure.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number and date of the basic specification.
b. Title, number and date of the applicable specification sheet, and the complete PIN (see 1.2.1 and
3.1).
c. Level of preservation, packaging, and marking required (see section 5).
d. Certificate of compliance covering materials, when required.
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