FIELD: aircraft construction. SUBSTANCE: self-locking anchor nut has interconnected titanium-alloy supporting base provided with main hole of hexahedral form and with holes for rivets and body with bearing flange and above-flange part shaped as hexahedron arranged in main hole. Hexahedron ribs are deformed in axial direction up to their rest on base. Bearing flange of body and part of base adjacent to it are conical with an angle of 120-160 deg. Body is made of high-strength titanium alloy, type BT-16 with tensile strength exceeding 83 kgf/sq.mm. Base is manufactured from plastic titanium alloy, type OT4-0 with tensile strength not exceeding 50 kgf/sq.mm. EFFECT: enhanced technological effectiveness. 4 dwg
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