S-91475A720 0.377" ID x 0.68" OD ASME B18.21.1; MS35338-141 Mil. Spec. Split Lock Washers
Mil. Spec. Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress applications
- Exceptional corrosion resistance with passivated 316 stainless steel for harsh environments
- Optimal hardness (Rockwell C35) maintains spring tension and durability under load
- Precise dimensional fit with 0.377" ID specifically designed for 3/8" screw applications
- Industry-standard compliance meets ASME B18.21.1 and MS35338-141 specifications
- Environmental responsibility with RoHS 3 and REACH compliance for regulated industries
- Reliable performance in inch measurement system for consistent North American applications
Professional Applications & Engineering Value
This split lock washer delivers critical vibration-resistant performance for demanding industrial applications where fastener security is paramount. Engineered from passivated 316 stainless steel, it provides superior corrosion resistance in chemical processing, marine, and food industry environments where moisture and corrosive agents are present. The standard split lock design creates continuous spring tension that compensates for thermal expansion, vibration, and load variations, preventing costly downtime from loose connections. With precise 0.377" ID dimensions tailored for 3/8" screw applications, it ensures perfect fitment in assembly lines, machinery, and structural frameworks where reliability cannot be compromised.
Specification Summary & Compliance
This washer features precise dimensional specifications with 0.377" inner diameter, 0.68" outer diameter, and 0.094" thickness. Manufactured to ASME B18.21.1 and MS35338-141 standards, ensuring consistent quality and performance in industrial applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries worldwide. Manufactured from passivated 316 stainless steel with Rockwell C35 hardness for reliable mechanical performance.
