MIL-DTL-83522E
conditions specified. Surfaces which may be subjected to polishing or other abrasive operations during termination of the connector
shall not be plated or coated in anyway.
3.3.2.1 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless suitably finished to
prevent electrolytic corrosion. The criteria for the selection and protection of dissimilar metal combinations shall be in accordance with
3.3.3 Nonmetallic materials. All nonmetallic materials used in the construction of the connectors shall not be affected by the use of
cleaning materials nor shall any substance used in the construction of the connectors be degraded when operating under the
environmental conditions specified herein.
3.3.3.1 Adhesives (epoxies). Adhesives are not precluded from use in the construction of the connectors specified herein.
However, the types of adhesives which may be used shall be specifically defined in the specification sheet (see 3.1). Adhesives shall
not be used in the optical path of the connector.
3.3.3.2 Sealing compounds. Sealing compounds, which may flow at the maximum upper nonoperating temperature specified
herein, or crack at the minimum lower storage temperature specified herein shall not be used.
3.3.3.4 Lubricants. Lubricants used in the construction of the connectors specified herein shall satisfy the following criteria:
a. Lubricants shall be permanent and shall not require replacement during the lifetime of the connector as defined in 3.5.2.5.1.
b. Lubricants shall not migrate to the optical interfaces resulting in degradation of the optical performance of the connector as
specified in 3.5.1.
c. Lubricants shall be useful over the environmental conditions specified in 3.5.3.
d. Lubricants shall not be affected by cleaning solvents as defined in 3.4.8 which are required to maintain the optical
performance of the connectors.
3.3.4 Liquid materials. Liquid materials shall not be used in the connector design.
3.3.5 Fungus. Finishes and materials shall be certified that they meet the requirements of MIL-HDBK-454, requirement 4.
Connectors that are not in accordance with MIL-HDBK-454, requirement 4 for fungus-inert materials shall meet grade I classification of
MIL-STD-810, method 508. If certification cannot be made, samples of all polymeric materials used in the construction of one mated
connector pair shall be tested in accordance with 4.8.14.
3.3.6 Recovered materials. Unless otherwise specified herein, all material incorporated in the products covered by this
specification shall be new. Products may be fabricated using raw materials produced from recovered bulk materials to the extent
practicable if the intended use of the product is not jeopardized. The term "recovered materials" means materials which have been
collected or recovered from solid waste and reprocessed to become part of a source of raw materials, as opposed to virgin raw
materials. None of the above shall be interpreted to mean that the use of partially processed, assembled, used or rebuilt products are
allowed under this specification. Reground polymers are acceptable materials.
3.3.6.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable
materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and
maintenance requirements and promotes economically advantageous life cycle costs.
3.3.7 Overall finish. Unless otherwise specified (see 3.1), the resultant finish on all items covered by the individual specification
sheets shall be CRES passivated in accordance with SAE-AMS-2700.
3.4 Design and construction. The plugs, adapters, receptacles, as specified herein shall withstand normal handling, incident to
operation, installation and in-service maintenance. Component parts shall be as specified on the individual specification sheets (see
3.1).
3.4.1 Styles and physical dimensions. The configuration and physical dimensions of the connectors specified herein shall be in
accordance with the specification sheets (see 3.1). Specification sheets are provided for the following minimum styles:
a. Receptacles (Single ferrule connector receptacles).
b. Plugs (Single ferrule connector plugs).
c. Adapters (bulkhead adapters).
3.4.2 Weight. The weight shall be specified in the specification sheets (see 3.1). Verification shall be in accordance with 4.7.3.
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