MIL-PRF-83867D (USAF)
3.3.3 Protective treatment.
Cadmium coating or plating shall not be used. Any parts requiring zinc plating shall be
protected in accordance with AMS 2417 or ASTM B 633 (see 6.4).
3.3.4 Wear resistant treatment.
All aluminum parts shall be treated to provide a wear resistant surface (see 6.4).
3.4 Design.
The oxygen mask connector shall consist of the main housing, one aircraft supply port with a
restrictor valve that has disconnect anti-suffocation capability, and a hose connection with
restraint pin as shown on figure 1. The connector shall be complete when the parts are
assembled with the main housing.
3.5
Interface.
3.5.1 Aircraft supply port.
The aircraft supply port of the connector shall have a restrictor valve that has disconnect anti-
suffocation capability, which permits the user to breathe normally when the restrictor valve is
inserted into a connector conforming to MS22058. The restrictor valve shall be guided internally
to prevent tilting or jamming of the valve mechanism. The valve actuator shall be positively
locked to the restrictor valve.
3.5.2 Restraint pin.
A restraint pin shall be attached to the hose connection part of the connector to provide an
attachment point for the oxygen mask hose restraint cord as shown on figure 1.
3.5.3 Color.
The color of the connector shall be black, approximately matching Color No. 37038 of FED-
STD-595.
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