S-92146A040 1.28" ID x 2.036" OD ASME B18.21.1 Split Lock Washers

Split Lock Washers

1307FA00137 Split Lock Washers
1307FA00137 Split Lock Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1307FA00137
Equivalent to mcmaster :
92146A040

Basic Information

System of Measurement Inch
Washer Type Split Lock
Specifications Met ASME B18.21.1

Dimension Parameters

ID 1.28"
OD 2.036"
Thickness 0.312"

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Rockwell C35

Installation & Application Parameters

For Screw Size 1 1/4"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant

Special Type Parameters

Split Lock Washer Type Standard
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior vibration resistance prevents fastener loosening in high-stress industrial environments, ensuring long-term assembly integrity.
  • 18-8 Stainless Steel construction provides excellent corrosion resistance, ideal for harsh or outdoor applications.
  • Precision-engineered dimensions (1.28" ID, 2.036" OD) ensure a perfect fit for 1 1/4" screws, reducing installation errors.
  • Rockwell C35 hardness offers exceptional durability and resistance to deformation under heavy loads.
  • ASME B18.21.1 standard compliance guarantees consistent quality, performance, and interchangeability.
  • RoHS 3 and REACH compliance ensures the washer meets strict environmental and safety regulations for global supply chains.
  • Standard split lock design delivers reliable, spring-action locking force for a wide range of general industrial applications.

Professional Applications & Engineering Value

This 18-8 Stainless Steel split lock washer is engineered to solve critical vibration-induced loosening in machinery, construction, and transportation equipment. Its standard split lock washer type and robust Rockwell C35 hardness ensure it maintains locking force under dynamic loads, preventing costly downtime and maintenance. The corrosion-resistant stainless steel material makes it suitable for demanding environments, including chemical processing and marine applications. By adhering to the ASME B18.21.1 standard, it provides reliable performance in industrial locking solutions, enhancing the safety and longevity of assemblies using 1 1/4" screws.

Specification Summary & Compliance

This washer features precise dimensions: 1.28" Inner Diameter (ID), 2.036" Outer Diameter (OD), and 0.312" Thickness, designed for 1 1/4" screw size. It conforms to ASME B18.21.1 manufacturing specifications for standard split lock washers, ensuring dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible procurement.

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