1.1 Type This procurement specification covers bolts and screws made from a corrosion and heat resistant, age hardenable, nickel base alloy of the type identified under the Unified Numbering System as UNS N07041 and of 155 ksi tensile strength at room temperature, with maximum test temperature of parts at 1400 °F. 1.2 Application Primarily for aerospace propulsion system applications where parts are required to have high strength and good resistance to relaxation up to 1600 °F and oxidation resistance up to 1800 °F. 1.3 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. 1.4 Usage of Existing Manufactured Stock Unless otherwise specified, part inventory manufactured to previous revisions of this specification may be procured and used until stock is depleted.