MIL-DTL-28804D
ELECTRONIC INDUSTRIES ASSOCIATION (EIA)
EIA-364-56 1987 -
Test Procedure No. 56, Resistance to Soldering heat, Test Procedure for Electrical Connectors.
(Application for copies should be addressed to the Electronic Industry Association, Engineering Department, 2001 Eye Street
NW, Washington, DC 20006.)
(Non-Government standards and other publications are normally available from the organizations that prepare or distribute the
documents. These documents also may be available in or through libraries or other informational services.)
2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for
related associated specifications, specification sheets, or MS 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 sheets, the
latter shall govern.
3.2 Qualification. Connectors 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 4.5 and 6.3).
3.3 Materials. Example reference materials are identified herein. However, when an example reference material is not
identified, a material shall be used which will enable the connectors, sockets and accessories to meet the performance
requirements of this specification. Acceptance or approval of a constituent material shall not be construed as a guaranty of
acceptance of the finished product.
3.3.1 Reference critical interface, materials, plating, and processes. The identified reference critical interface materials, plating,
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
contamination of critical electrical or mechanical interfaces or generation of incompatible mechanical interface surface wear
products. The manufacturer of connectors supplied to this specification are allowed to use alternate recognized industry standard
materials, plating, and processes from those identified in 3.3 of this specification. Alternate materials, plating 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, plating, 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 Recycled, recovered, or environmentally preferable material. 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.
3.3.3 Dissimilar metals. When dissimilar metals are employed in intimate contact with each other, protection against electrolytic
corrosion shall be provided, for guidance information reference MIL-STD-889.
3.3.4 Nonmagnetic materials. All parts used in connectors shall be made from materials which are classified as nonmagnetic
(see 3.6.1).
3.3.5 Contact materials. Contacts shall be made of suitably conductive copper based alloys and shall not contain greater than
3.5 percent lead content. 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 (see 4.7.16) does not appear in contact mating or termination area.
3.3.6 Electrical contact gold plating guidelines. Electrical contacts gold plated in accordance with ASTM B488, type 2, code C,
.00005 inch (0.0013 mm) minimum thickness.
3.3.7 Contact plating (classes G, P, and E). Contacts shall be gold-plated (see 3.3.6), over a suitable underplating (underplating
shall have no silver content), except that the accessory (hood) on socket contacts shall be suitably protected from corrosion.
3.3.8 Contact finish (classes S and SE). The contact finish on the bodies shall be gold applied either overall (see 3.3.8.1) or
localized (see 3.3.8.2).
3.3.8.1 Overall finish. Contacts shall be gold-plated (see 3.3.6).
3
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business