S-92147A035 0.641" ID x 1.073" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications.
• Exceptional vibration resistance and reliable locking action from the standard split lock design, preventing fastener loosening under dynamic loads.
• Enhanced durability and wear resistance provided by a Rockwell C35 hardness, ensuring long service life in heavy-duty mechanical assemblies.
• Guaranteed dimensional precision and performance consistency, manufactured to meet the rigorous ASME B18.21.1 standard.
• Safe for regulated industries with full compliance to RoHS 3 and REACH regulations, ensuring no hazardous substances are present.
• Optimal fit for 5/8" screws with a precise 0.641" ID and 1.073" OD, providing a secure and flush mating surface.
• Robust construction for demanding applications with a 0.156" thickness, offering superior spring tension and load distribution.

Professional Applications & Engineering Value

This 316 stainless steel split lock washer is engineered to solve critical challenges in industrial settings where vibration and corrosion are major concerns. Its split lock design applies continuous spring force, effectively resisting loosening in machinery, automotive, and structural applications exposed to dynamic stresses. The 5/8" size and robust Rockwell C35 hardness ensure it maintains clamping force under heavy loads, while the 316 grade material provides excellent resistance to chlorides and acidic environments, making it a reliable choice for chemical processing, marine equipment, and food-grade machinery. By integrating this ASME B18.21.1 compliant washer, engineers achieve enhanced safety, reduced maintenance, and prolonged assembly integrity in demanding operational conditions.

Specification Summary & Compliance

This washer features precise inch dimensions with an ID of 0.641", OD of 1.073", and Thickness of 0.156", designed for a 5/8" screw size. It conforms to the ASME B18.21.1 standard for split lock washers, ensuring consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from restricted substances and safe for various industrial applications.