Type This procurement specification covers aircraft quality bolts and screws made from a low alloy@ heat resistant steel of the type identified under the Unified Numbering System as UNS K14675. AS7454 135@000 psi ultimate tensile strength at room temperature. AS7454-1 135@000 psi ultimate tensile strength at room temperature@ nickel-cadmium plated. Application Primarily for aerospace propulsion system applications where good strength at temperatures up to approximately 900 ??is required and the part is protected against corrosion. Safety - Hazardous Materials While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.