S-2741N13 0.406" ID x 0.875" OD Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with the positive locking tab design that prevents fastener loosening in high-stress environments
• Enhanced corrosion protection through zinc-plated steel construction for extended service life in industrial settings
• Precise dimensional fit with 0.406" ID specifically engineered for 3/8" screw applications
• Reliable load distribution thanks to the 0.875" OD that provides optimal surface contact area
• Consistent performance maintained by the 0.063" thickness ensuring uniform pressure distribution
• Environmental compliance with REACH regulations for safe use in regulated industrial applications
• Easy installation and removal with the tab design allowing for simple tool access and adjustment

Professional Applications & Engineering Value

This 3/8" tab lock washer delivers critical engineering value in applications where vibration-induced loosening compromises assembly integrity. The zinc-plated steel construction provides essential corrosion resistance while maintaining the mechanical strength needed for industrial fastening systems. The precision-engineered locking tab design creates positive mechanical interference that prevents rotational movement, solving the common problem of fastener back-off in machinery, automotive assemblies, and heavy equipment. With exact 0.406" ID dimensions tailored for 3/8" fasteners, this tab lock washer ensures proper fit and function in demanding environments where reliability is non-negotiable. The combination of material durability and intelligent design makes this component ideal for maintenance, manufacturing, and assembly operations requiring long-term fastening security.

Specification Summary & Compliance

This tab lock washer features precision inch dimensions with 0.406" inner diameter, 0.875" outer diameter, and 0.063" thickness specifically designed for 3/8" screw applications. Manufactured from zinc-plated steel for corrosion resistance and durability. The product is REACH (EC 1907/2006) compliant as of January 17, 2022, meeting environmental safety standards for industrial use. While hardness is not rated, the design focuses on providing reliable locking performance through mechanical interference rather than material hardness characteristics.