MIL-DTL-19246E
2.4 Order of precedence. In the event of a conflict between the text of this document and
the references cited herein, 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 Qualification. The connector furnished under this specification shall be a product that is
authorized by the qualifying activity for listing on the applicable qualified products list before
contract award (see 4.2 and 6.3).
3.2 First article. When specified (see 6.2), a sample shall be subjected to first article
inspection in accordance with 4.3.
3.3 Materials. Materials shall be as specified herein and in MS22016 and MS22058.
3.3.1 Nonmetallic materials. Nonmetallic materials, except for the poppet material as
shown on MS22016, shall be of an ozone-resistant composition.
3.3.1.1 Age. Age of elastomer components shall be not greater than 12 months from the
date of manufacture to the date of delivery to any Government service or to any airframe or
accessory manufacturer.
3.3.2 Metal Parts. All metal parts shall be of a corrosion resistant material or treated to
render them resistant to corrosion.
3.3.2.1 Dissimilar metals. Unless protected against electrolytic corrosion, dissimilar metals,
in accordance with MIL-STD-889, shall not be in intimate contact with each other.
3.3.3 Protective treatment. When materials used in the construction of the connector
assembly are subject to deterioration when exposed to environmental conditions likely to occur
during service usage, they shall be protected against such deterioration that shall in no way
prevent compliance with the performance requirements (see 3.5) of this specification. Protective
coatings which crack, chip, or scale during normal service life or under extremes of
environmental conditions shall not be used.
3.4 Design and construction. The design and construction of the connector assembly shall
be in accordance with MS22016.
3.4.1 Connector assembly valves. Connector assembly valves shall make it possible for the
user to breathe normally through the connector when the valve is inserted into a connector
conforming to MS22058. When disconnected, the valve shall permit inhalation, but a noticeable
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