Aerospace series. Nuts, bi-hexagonal, self-locking, with counterbore, in heat resisting nickel base alloy, passivated Mo S2 lubricated classification: 1550 MPa (at ambient temperature)/315°C (pr EN 2894) Aircraft components, Nuts, Locknuts, Internal-thread fasteners, Bihexagonal-head fasteners, Nickel alloys, Heat-resistant materials,
Dimensions, Weight (mass), Dimensional tolerances, Roughness (surface), Designations, Lubricants, Molybdenum inorganic compounds, Sulfides, Angles (geometry)