MIL-DTL-83522E
4.8.14 Fungus resistance (see 3.3.6). Connector not listed as fungus inert in guideline 4 of MIL-HDBK-454 components shall be
tested for exposure to fungus in accordance with TIA/EIA-455-56 for the duration of 28 days evaluated with the rating designations in
measurement 3401 of MIL-STD-1678-3.
4.8.15 Nuclear radiation resistance (see 3.5.3.14). When specified (see 3.1), connector mated pair shall be tested in accordance
with TIA-455-64 for steady state radiation with a high dose rate (as specified in 3.1), except that the test sample shall be the connected
mated pair instead of an optical fiber or fiber optic cable. The test shall be performed at a wavelength of 1300±.20nm at the low
operating temperature and at +25°C ± 5°C. The change in optical transmittance shall be measured during and after each test. If the
change in optical transmittance at +25°C is greater than the change in optical transmittance at the low operating temperature, then a
connector mated pair shall be tested at the high operating temperature.
4.8.16 Temperature cycling (see 3.5.3.15). The connector shall be tested in accordance with TIA-455-3 using the profile of test
steps, test temperatures, and test times in MIL-STD-1678-3 measurement 3301 table 3301-I for temperature range 1 and MIL-STD-
1678-3 measurement 3301 table 3301-II for temperature range 2. Change in optical transmittance (3.5.1.2) shall be measured at the
end of steps 1, 3, 5, 7, and 9 for each cycle and at the completion of the test. The connector shall be visually examined in accordance
with 4.7.2 after the test.
4.9 Space flight
4.9.1 Thermal vacuum outgassing. Non-metal materials shall meet the requirements of 3.5.4.1, when tested in accordance with
4.9.2 Residual magnetism. The connector shall be fully assembled before testing. The residual magnetism test shall be
performed in a magnetically quiet area i.e., where machines, electronic equipment, vehicles, and personnel traffic are restricted. Use a
magnetometer to measure residual magnetism immediately after the connector is exposed to a 5000 gauss field strength of a magnet
for at least 2 seconds. The connector shall not contact the magnet pole pieces. The residual magnetism shall be measured with a
-5
magnetometer the probe of the magnetometer shall be within .125 inch of the connector. One gamma is equivalent to 1 x 10 gauss.
(see 3.5.4.2).
4.9.3 Odor. Material samples shall meet the requirements of 3.5.4.3 when tested in accordance with
NASA-STD-6001, test 6 (see 3.5.4.3).
4.9.4 Toxicity (offgassing). Material samples shall meet the requirements of 3.5.4.4, when tested in accordance with NASA-STD-
5. PACKAGING
5.1 Packaging requirements. For acquisition purposes, the packaging requirements shall be as specified in the contract or order.
When packaging of materiel is to be performed by DoD personnel 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's 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 that may be helpful, but is not mandatory.)
6.1 Intended use. The fiber optic connectors covered by this specification are intended for use in the following applications as
specified (see 3.1) where their performance characteristics are required.
a. Fixed plant. Used in systems in fixed locations including indoor, outdoor aerial, direct burial, duct and undersea
applications.
b. Tactical. Concerned with use in non-vehicular and mobile militarized systems.
c. Space. Which involves use in vehicles and/or systems deployed in outer space.
d. Avionics. Involving use in aircraft or missile systems.
e. Shipboard. Involving use in systems deployed in a sheltered uncontrolled mobile marine environment.
f. Ground vehicle. Involving use in land vehicular systems.
g. Other specialized military applications.
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