S-91757A103 0.141" ID x 0.295" OD ASME B18.21.1 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through internal tooth design that bites into mating surfaces, preventing loosening under dynamic loads
• Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precision dimensional compatibility with 0.141" ID and 0.295" OD ensuring perfect fit for No. 6 screw applications
• Reliable performance standardization through compliance with ASME B18.21.1 specifications
• Enhanced assembly security with internal tooth location providing concentrated locking force
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing
• Consistent thickness control between 0.016-0.022" for uniform clamping force distribution

Professional Applications & Engineering Value

This internal tooth lock washer delivers critical vibration-resistant performance in demanding industrial applications where fastener security is paramount. The 18-8 stainless steel construction provides exceptional corrosion resistance, making these washers ideal for machinery, automotive assemblies, and outdoor equipment exposed to environmental elements. The internal tooth configuration concentrates locking force directly beneath the screw head, creating superior resistance to rotational loosening in high-vibration environments. Engineered to ASME B18.21.1 standards, these precision washers ensure reliable performance in critical assemblies where failure is not an option. The combination of inch system measurements and standardized sizing for No. 6 screws makes them perfect for maintenance, repair, and OEM applications requiring dependable locking solutions.

Specification Summary & Compliance

This internal tooth lock washer features precise dimensional specifications with 0.141" inner diameter, 0.295" outer diameter, and thickness ranging from 0.016" to 0.022". Manufactured in compliance with ASME B18.21.1 standards for tooth lock washers, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components. The internal tooth location provides optimal locking performance for No. 6 screw applications in various industrial and mechanical fastening scenarios.