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|  MIL-S-18471G(AS)
design information for aluminum and aluminum alloys shall be in accordance
with MIL-HDBK-694.
3.1.1.1.1.1 Heat treatment. Heat treatment of aluminum parts shall be
in accordance with MIL-H-6088. Heat treatment of steel parts shall be in
accordance with MIL-H-6875. Heat treatment of titanium and titanium alloy
parts shall be in accordance with MIL-H-81200.
3.1.1.1.1.2 Castings. Aluminum alloy castinqs shall be in accordance
with MIL-A-21180. All castings shall be classified in accordance with MIL-C-
6021.
3.1.1.1.1.3 Steel forgings. Steel forqings used in the escape system
shall be in accordance with MIL-F-7190, Grade A.
3.1.1.1.1.4 Maqnesium and maqnesium alloys. Magnesium parts shall not
be used in the escape system.
3.1.1.1.1.5 Wire rope and cable assemblies. Wire rope and cable assembly
terminal ends and intermediate fittings shall be in accordance with MIL-T-6117.
3.1.1.1.2 Non-metallic parts. Non-metallic components shall be designed
to minimize deterioration caused by abrasion, exposure to environmental
conditions listed in 3.1.9, and petroleum oil, lubricants, ozone, or hydraulic
fluids. Protection shall be provided for non-metallic components, particularly
nylon lines, for which strength degradation associated with abrasion or exposure-
induced deterioration can endanger the system user. All upholstery, cushions,
cover materials, and fabrics, excluding the recovery parachute and those
materials used as load application devices, shall be flame resistant and shall
not produce toxic gases when subjected to high temperature or flame.
Additionally, the materials and finishes used in the escape system shall not
be nutrients for micro-organisms.
3.1.1.1.3 Lubrication. Lubricants and lubrication practices shall be in
accordance with MIL-STD-838. Lubricants shall perform as required throughout
the temperature range from -65F to +200F. Lubricants shall:
a. Not degrade the performance of components with which they
come in contact.
b.
Eliminate the need for relubrication by field maintenance
activities, except during other scheduled aircraft
maintenance.
3.1.1.1.4 Hydraulic fluids. Hydraulic fluids used in the escape system
or escape system components shall perform as required throughout the temperature
range from -65F to +200F, and shall be fire-resistant, non-corrosive, of the
lowest possible toxicity to preclude exceeding threshold limits specified in
OSHA Code 29CFR-1910 for normal handlinq.
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