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>BSI Standards >49 AIRCRAFT AND SPACE VEHICLE ENGINEERING>49.030 Fasteners for aerospace construction>49.030.50 Washers and other locking elements>BS SP 18 and 19:2025 AEROSPACE SERIES. Washers, plain. BA, BSF and BSW threaded parts. Carbon (cadmium-plated) or corrosion-resisting steel. Specification
immediate downloadReleased: 2025-10-29
BS SP 18 and 19:2025 AEROSPACE SERIES. Washers, plain. BA, BSF and BSW threaded parts. Carbon (cadmium-plated) or corrosion-resisting steel. Specification

BS SP 18 and 19:2025

AEROSPACE SERIES. Washers, plain. BA, BSF and BSW threaded parts. Carbon (cadmium-plated) or corrosion-resisting steel. Specification

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Standard number:BS SP 18 and 19:2025
Pages:7
Released:2025-10-29
ISBN:978 0 539 12888 8
Status:Standard
BS SP 18 and 19:2025 AEROSPACE SERIES. Washers, plain. BA, BSF and BSW threaded parts. Carbon (cadmium-plated) or corrosion-resisting steel. Specification

BS SP 18 and 19:2025 Aerospace Series: Washers, Plain

Introducing the BS SP 18 and 19:2025 Aerospace Series, a comprehensive specification for plain washers designed for BA, BSF, and BSW threaded parts. This standard is essential for professionals in the aerospace industry who demand precision, reliability, and durability in their components.

Product Overview

This specification outlines the requirements for plain washers used in conjunction with BA, BSF, and BSW threaded parts. These washers are crafted from either carbon steel, which is cadmium-plated for enhanced protection, or corrosion-resisting steel, ensuring they meet the rigorous demands of aerospace applications.

Key Features

  • Standard Number: BS SP 18 and 19:2025
  • Release Date: October 29, 2025
  • Pages: 7
  • ISBN: 978 0 539 12888 8
  • Status: Standard

Material Specifications

The washers specified in this standard are available in two material options:

  1. Carbon Steel (Cadmium-Plated): This option provides excellent strength and durability, with the added benefit of cadmium plating to resist corrosion and wear, making it ideal for high-stress environments.
  2. Corrosion-Resisting Steel: Known for its superior resistance to rust and corrosion, this material is perfect for applications where longevity and reliability are paramount.

Applications

The BS SP 18 and 19:2025 standard is specifically designed for use in the aerospace industry, where precision and reliability are critical. These washers are suitable for a variety of applications, including:

  • Aircraft assembly and maintenance
  • Aerospace component manufacturing
  • High-performance engineering projects

Why Choose BS SP 18 and 19:2025?

Choosing the right components is crucial in the aerospace industry, where safety and performance cannot be compromised. The BS SP 18 and 19:2025 standard ensures that you are using washers that meet the highest quality and performance standards. Here are some reasons why this specification is the right choice:

  • Compliance: Adhering to this standard ensures compliance with industry regulations and standards, providing peace of mind and assurance of quality.
  • Durability: The materials specified are chosen for their ability to withstand the demanding conditions of aerospace applications, ensuring long-lasting performance.
  • Versatility: Suitable for a wide range of applications, these washers offer flexibility and adaptability in various engineering and manufacturing processes.

Conclusion

The BS SP 18 and 19:2025 Aerospace Series specification is an indispensable resource for professionals in the aerospace industry. With its detailed guidelines and high-quality material specifications, it ensures that your components meet the stringent demands of aerospace applications. Whether you are involved in aircraft assembly, component manufacturing, or high-performance engineering projects, this standard provides the reliability and assurance you need.

Invest in the BS SP 18 and 19:2025 standard to ensure your projects are built on a foundation of quality and precision. With its focus on durability, compliance, and versatility, this specification is the key to achieving excellence in the aerospace industry.

DESCRIPTION

BS SP 18 and 19:2025


This standard BS SP 18 and 19:2025 AEROSPACE SERIES. Washers, plain. BA, BSF and BSW threaded parts. Carbon (cadmium-plated) or corrosion-resisting steel. Specification is classified in these ICS categories:
  • 49.030.50 Washers and other locking elements