MIL-PRF-26385G
that the material meets or exceeds the operational and maintenance requirements, and promotes
economically advantageous life cycle costs.
3.3 Materials. All materials shall be suitably treated to resist corrosion due to electrolytic
decomposition and any other atmospheric condition that may be encountered during operational
use or storage. The use of toxic chemicals, hazardous substances, or ozone depleting chemicals
shall be avoided, whenever feasible (see 6.3).
3.3.1 Ozone resistance. End cover material, inner liner material, and elastomers shall be ozone
resistant.
3.4 Interface.
3.4.1 Color. The exterior of the hose shall be lusterless green, color 34079 of FED-STD-595
3.4.2 Fittings. The hose shall be compatible with fittings conforming to AN807 and SAE-
AS5132), and with hose clamps conforming to NAS397.
3.4.3 Dimensions. The hose shall conform to the dimensions shown in figure 1.
3.5 Performance.
3.5.1 Components.
3.5.1.1 Hose reinforcement. The hose shall be reinforced (see 6.4 and figure 1).
3.5.1.2 Inner liner. The hose shall be provided with an inner liner (see figures 1 and 2).
3.5.1.3 End cover. The hose shall be provided with an end cover 0.750 inches in length on each
end (see figures 1 and 2).
3.5.1.4 Outer covering. The hose shall be provided with an outer covering (see 6.5 and figures 1
and 2).
3.5.2 Leakage. With an internal pressure of 25 psi, the hose shall not leak.
3.5.3 Delamination. Under a vacuum of 16 inches of mercury, the inner liner shall not
delaminate.
3.5.4 Cleanliness. All surfaces shall be free of visible particulates (50 microns and larger), free
of visible fluorinated lubricants, and free of hydrocarbon contamination to a level not greater
than 3 milligrams per square foot (mg/ft²) (see 6.10).
3.5.5 Flexibility. The hose shall be free from any permanent set after being coiled around a 1.5
inch diameter rod and rotated 90° about its longitudinal axis four times (see 6.6).
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