S-91475A160 1.003" ID x 1.656" OD ASME B18.21.1; MS35338-148 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications, ensuring long-term joint integrity
• Passivated 18-8 stainless steel construction provides excellent corrosion resistance for harsh industrial environments
• Rockwell C35 hardness rating delivers exceptional durability and maintains spring tension under repeated loading
• Precision inch dimensions (1.003" ID, 1.656" OD, 0.25" thickness) ensure perfect fit for 1" screw applications
• ASME B18.21.1 and MS35338-148 compliance guarantees consistent quality and performance to industry standards
• RoHS 3 and REACH compliance meets environmental regulations for global industrial use
• Standard split lock design offers reliable, cost-effective locking performance across various applications

Professional Applications & Engineering Value

This split lock washer delivers critical vibration resistance in demanding industrial settings where mechanical fasteners face constant stress and movement. The passivated 18-8 stainless steel material provides essential corrosion protection for applications exposed to moisture, chemicals, or outdoor elements, significantly extending service life in machinery, equipment assembly, and structural applications. The washer's standard split lock design creates continuous spring tension that compensates for thermal expansion, material relaxation, and vibration-induced loosening. Engineered to ASME B18.21.1 standards with precise inch dimensions, this vibration resistant washer maintains reliable performance in automotive, manufacturing, and heavy equipment applications where fastener security is paramount to operational safety and maintenance intervals.

Specification Summary & Compliance

This split lock washer features precision inch dimensions with 1.003" inner diameter, 1.656" outer diameter, and 0.25" thickness, designed specifically for 1" screw applications. Manufactured to ASME B18.21.1 and MS35338-148 specifications, ensuring dimensional accuracy and performance reliability. The washer maintains Rockwell C35 hardness for consistent spring performance and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety and global industrial use.