NF EN 3239

Aerospace series. Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy ni-P101HT (waspaloy), silver plated thread. Classification : 1210 MPa (at ambient temperature) / 730 degrees celsius.

La présente norme spécifie les caractéristiques des écrous bihexagonaux, à freinage interne, en NI-P101HT, à filetage argenté, pour les applications aérospatiales.

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