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Aerospace series. Elements of electrical and optical connection. Crimping tools and associated accessories. Head for crimping tool M22520/4-01. Product standard. Original standard BS EN 4008-017-2006 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Elements of electrical and optical connection. Crimping tool and associated accessories. Positioner for crimping tool M22520/2-01. Product standard. Original standard BS EN 4008-018-2014 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1550 MPa (at ambient temperature). Original standard BS EN 4009-2004 in PDF full version. Additional info + preview on request

Document status: Active

Respiratory protective devices for self-rescue. Self-contained closed-circuit breathing apparatus. Chemical oxygen (KO₂) escape apparatus. Requirements, testing, marking. Original standard BS EN 401-1993 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Aerospace series. Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated. Classification: 1550 MPa (at ambient temperature)/600°C. Original standard BS EN 4011-2004 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS₂ coated. Classification: 1 550 MPa (at ambient temperature) / 425°C. Original standard BS EN 4012-2004 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN 4012-2025