14 CFR · Part 25
14 CFR § 25.603
Materials.
The suitability and durability of materials used for parts, the failure of which could adversely affect safety, must—
(a)
Be established on the basis of experience or tests;
(b)
Conform to approved specifications (such as industry or military specifications, or Technical Standard Orders) that ensure their having the strength and other properties assumed in the design data; and
(c)
Take into account the effects of environmental conditions, such as temperature and humidity, expected in service.
Referenced By
Interpretations of This Section (1)
Documents that cite this section, found in their catalog metadata or text. Listed by date, not by significance.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source