MIL-DTL-24308G
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the
text of this document and the references cited herein (except for related specification sheets), the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless
a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the
applicable specification sheet. In the event of any conflict between the requirements of this specification and the
specification sheet, the latter shall govern.
3.2 Qualification. Connector assemblies furnished under this specification shall be products that are authorized by
the qualifying activity for listing on the applicable qualified products list before contract award (see 4.3 and 6.3).
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 accordance with table XIII 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.
3.3 Materials. Materials shall be as identified herein. However, when a definite material is not specified, a material
shall be used which will enable the connectors to meet all requirements of this specification. Acceptance or approval
of any constituent material shall not be construed as a guarantee for acceptance of the finished product.
3.3.1 Interface materials, platings and processes. Interface materials, platings, and processes have been
established to provide assurances that connectors manufactured to this specification will properly interface to similar
industry standard or government specified connector systems without problems of electrochemical incompatibility or
excessive interface surface wear. The manufacturers of connectors supplied to this specification may be allowed to
use alternate recognized industry standard materials, platings, and processes from those identified in 3.3. Alternate
materials, platings and processes used must be coordinated with the qualifying activity as part of the qualification
process. Use of alternates to those referenced guidance items by the supplier must not result in inferior short or long
term performance or reliability of supplied connectors as compared with connectors manufactured using the
referenced materials, platings, or processes. Short or long term failures or reliability problems due to use of these
alternates shall be the responsibility of the supplier.
3.3.2 Dissimilar metals. When dissimilar metals are employed in intimate contact with each other, protection
against electrolytic corrosion shall be provided (see 3.3.1).
3.3.3 Nonmagnetic materials (classes M and N connectors). All parts used in classes M and N connectors shall be
made from materials which are classed as nonmagnetic (see 3.5.1).
3.3.4 Contact materials. Classes D, G, M, and N contact bodies shall be made of suitably conductive copper
based alloys. Classes H and K contacts may be ferrous alloy material. All contacts shall be suitably protected from
corrosion. When contacts are in-process plated in strip form, the absence of plating in the separation area is
acceptable, provided the area is nonfunctional and any corrosion products formed as a result of salt spray testing
(4.5.19) do not appear in the contact mating or termination areas.
3.3.4.1 Accessory members. Contact accessory members such as hoods, pressure members and retaining
devices shall be made of corrosion resistant material or shall be suitably treated to resist corrosion.
3.3.4.2 Contact finish (solder contact). The finish on contact bodies shall be gold applied either overall or localized
for class G, (see 6.5). The finish on contact bodies for classes D and M shall be gold plated applied overall. The
finish on contact bodies for classes H and K shall be gold plated.
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