S-90134A043 0.125" ID x 0.25" OD Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through wave spring design that maintains constant tension and prevents fastener loosening in dynamic applications
• Exceptional durability with Rockwell C52 hardness rating ensuring long service life even under repeated compression cycles
• Precise dimensional fit with 0.125" ID specifically engineered for No. 4 screws, eliminating play and ensuring proper alignment
• Optimal spring force generation from the wave profile design that provides reliable load distribution and shock absorption
• Environmental compliance assurance with RoHS 3 and REACH compliance meeting strict industrial safety and regulatory requirements
• Corrosion-resistant steel construction offering reliable performance in various industrial environments without degradation
• Space-efficient design with compact 0.02" overall height that fits into tight assembly spaces while delivering full spring functionality

Professional Applications & Engineering Value

This steel wave washer delivers critical engineering solutions for applications requiring consistent spring force and vibration resistance. The precision-engineered wave profile maintains tension in assemblies subject to thermal expansion, mechanical stress, or dynamic loads, preventing fastener loosening that compromises equipment reliability. Manufactured from high-grade steel with Rockwell C52 hardness, this washer withstands repeated compression cycles in automotive, aerospace, and industrial machinery applications. The exact 0.125" ID ensures perfect compatibility with No. 4 screw sizes, eliminating installation issues while the compact 0.25" OD fits space-constrained designs. This wave spring washer addresses common engineering challenges including thermal cycling, vibration-induced failures, and load distribution problems in precision assemblies.

Specification Summary & Compliance

This inch-system wave washer features precise dimensions of 0.125" internal diameter, 0.25" outer diameter, and 0.02" overall height with 0.005" material thickness. Manufactured to exacting standards with Rockwell C52 hardness for consistent performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets. Designed specifically for No. 4 screw applications with dimensional accuracy maintained throughout production.