S-91108A140 0.141" ID x 0.295" OD ASME B18.21.1 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with internal tooth design that maintains consistent locking force under dynamic loads
• Exceptional corrosion resistance thanks to 316 stainless steel construction, ideal for harsh industrial environments
• Precise fit for No. 6 screws with 0.141" ID ensuring secure fastening without slippage
• Optimized load distribution through 0.295" OD design that minimizes surface damage to connected materials
• Industry-standard compliance with ASME B18.21.1 specifications guaranteeing reliable mechanical performance
• Environmental regulation compliance meeting RoHS 3 and REACH standards for safe industrial usage
• Consistent thickness control (0.016-0.022") ensuring uniform clamping force across multiple installations

Professional Applications & Engineering Value

These 316 stainless steel internal tooth lock washers provide critical vibration-resistant fastening solutions for demanding industrial applications. The internal tooth configuration creates multiple biting points that prevent rotational loosening in machinery subjected to constant motion or impact loads. Made from grade 316 stainless steel, these washers deliver superior corrosion resistance in chemical processing, marine, and food processing equipment where moisture and corrosive agents are present. The precise No. 6 screw compatibility ensures perfect mating with standard fasteners, while the ASME B18.21.1 compliance guarantees dimensional accuracy and performance reliability. These industrial washers are particularly valuable in assembly lines, automotive components, and electrical enclosures where vibration-induced fastener failure could lead to equipment downtime or safety hazards.

Specification Summary & Compliance

This tooth lock washer features inch system dimensions with 0.141" internal diameter and 0.295" outer diameter, manufactured to ASME B18.21.1 mechanical standard specifications. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. The internal tooth location provides consistent locking action while the 316 stainless steel material offers excellent durability in corrosive environments.