MIL-DTL-83513G
3.2.1 Quality.
3.2.1.1 Statistical process control (SPC). The contractor shall implement and use statistical process
control techniques in the manufacturing process for parts covered by this specification. The SPC
program shall be developed and maintained in accordance with EIA-557. Where SPC cannot be utilized
because of non-continuous production requirements, a lot sampling plan for inspection in with table IX
with c = 0 can be utilized. The SPC and c = 0 programs shall be documented and maintained as part of
the overall reliability assurance program in accordance with EIA-557 and MIL-STD-790. Evidence of
such compliance shall be verified by the qualifying activity of this specification as a prerequisite for
qualification. Dimensioning and tolerancing shall be in accordance with ASME Y-14.5.
3.3 Materials. Materials shall be as identified herein or as approved by the qualifying activity.
However, when a definite material is not specified, a material shall be used which will enable the
connectors to meet the performance requirements of this specification. Acceptance or approval of any
constituent material shall not be construed as a guarantee of acceptance of the finished product.
3.3.1 Interface, materials, platings and processes. The interface, materials, platings, and processes
identified in this specification have been identified to assure that connectors manufactured to this
specification will properly interface to similar industry standard or government specified connector
systems without problems of electrochemical contamination or excessive mechanical wear. The
manufacturers of connectors supplied to this specification are allowed to use industry standard materials,
platings, and processes other than those identified in 3.3. The use of alternate materials, platings and
processes must be coordinated with the qualifying activity as part of the qualification process. The use of
alternate materials, plating, and processes must not result in inferior short or long term performance or
reliability of these connectors as compared with connectors manufactured using the referenced materials,
platings, or processes described in this specification. Short or long term failures or reliability problems
due to use of these alternate materials or processes shall be the responsibility of the supplier.
3.3.1.1 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.
3.3.2 Dissimilar metals. When dissimilar metals are used in intimate contact with each other,
protection against electrolytic corrosion shall be provided. Dissimilar metals such as brass, copper or
steel (except corrosion-resisting steel passivated in accordance with SAE AMS2700) (see 3.3.1 ) shall
not be used in intimate contact with aluminum or aluminum alloy without protective measures for
dissimilar metals in accordance with MIL-STD-889.
3.3.3 Nonmagnetic materials. All parts used shall be made from materials which are classed as
nonmagnetic (see 3.5.1 ).
3.3.4 Contact materials. Contacts shall be made of suitably conductive copper based alloys. All
contacts shall be suitably protected from corrosion.
3.3.5 Contact plating. Contacts shall be gold plated in accordance with ASTM B488, type II, class 1.27
(50 micro inches minimum), code C over suitable underplate. Silver underplating shall not be used.
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