Belarus standards PDF

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Document status: Withdrawn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

Aerospace series. Shank nut, self-locking, in heat resisting nickel base alloy NI PH2601 (Inconel 718), silver plated. Classification: 1 550 MPa (at ambient temperature)/600 °C. Original standard BS EN 4013-2024 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Inserts, thickwall, self-locking. Design standard. Original standard BS EN 4014-2004 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Inserts, thickwall, self-locking. Installation and removal procedure. Original standard BS EN 4015-2004 in PDF full version. Additional info + preview on request

Document status: Active