S-91475A015 0.088" ID x 0.172" OD ASME B18.21.1; MS35338-134 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications, ensuring long-term assembly integrity
• Exceptional corrosion resistance from Passivated 316 Stainless Steel construction maintains performance in harsh environments and chemical exposures
• Precision dimensional compatibility with 0.088" ID specifically engineered for No. 2 screw applications
• Enhanced durability with Rockwell C35 hardness provides reliable spring tension and extended service life
• Industry-standard compliance with ASME B18.21.1 and MS35338-134 ensures consistent quality and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance meets modern regulatory requirements
• Optimized split lock design creates continuous spring action that maintains clamping force under dynamic loads

Professional Applications & Engineering Value

This split lock washer delivers critical vibration-resistant performance for industrial applications where fastener security is paramount. The Passivated 316 Stainless Steel construction provides exceptional corrosion resistance, making it ideal for marine environments, chemical processing equipment, and outdoor applications exposed to moisture and corrosive elements. The precise 0.088" internal diameter ensures perfect fitment for No. 2 screw applications, while the standard split lock design generates consistent spring tension that compensates for thermal expansion, vibration, and load variations. Engineering teams specify this washer for industrial assemblies requiring reliable locking action without compromising corrosion resistance, particularly in aerospace, automotive, and machinery applications where ASME B18.21.1 compliance is mandatory for quality assurance and component interchangeability.

Specification Summary & Compliance

This split lock washer features precise inch system dimensions with 0.088" ID, 0.172" OD, and 0.020" thickness, manufactured to ASME B18.21.1 and MS35338-134 specifications for dimensional accuracy and performance reliability. The component maintains Rockwell C35 hardness for optimal spring characteristics and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental responsibility and regulatory adherence for global industrial applications.