This procurement specification covers inserts made from A286 alloy of the type identified under the Unified Numbering System as UNS S66286 which have self-locking internal threads and integrated locking keys to positively secure the insert against rotation when properly installed in threaded holes.

Inserts covered by this specification are intended as general purpose fasteners.

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.