S-90097A520 0.252" ID x 0.365" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior insulation and corrosion resistance thanks to durable nylon plastic construction
• Reliable performance across extreme environments with a wide operating temperature range from -40°F to 180°F
• Precise fit for 1/4" screws ensured by 0.252" ID and 0.292" sleeve OD for secure fastening
• Enhanced durability and wear resistance from Rockwell R118 hardness rating
• Safe for regulated industries with full compliance to RoHS 3 and REACH standards
• Optimal load distribution through 0.365" OD design, reducing surface pressure
• Easy identification and aesthetic consistency with off-white color in industrial assemblies

Professional Applications & Engineering Value

This nylon plastic sleeve washer is engineered to address common industrial challenges such as electrical insulation, vibration loosening, and chemical exposure. Its nylon material provides excellent dielectric properties and resistance to oils, solvents, and abrasion, making it ideal for electrical enclosures, automotive assemblies, and machinery. The sleeve design extends along the bolt shaft, offering superior stability and preventing galvanic corrosion between dissimilar metals. With a temperature resistance from -40°F to 180°F, it maintains integrity in both freezing and moderately high-heat environments, ensuring long-term reliability in outdoor, HVAC, and electronic applications.

Specification Summary & Compliance

This washer features precise inch-system dimensions: ID 0.252", OD 0.365", overall height 0.6", sleeve OD 0.292", and sleeve height 0.5", designed for 1/4" screw size with standard fit. Manufactured from nylon plastic with Rockwell R118 hardness, it adheres to industry specifications for dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets stringent environmental and safety regulations for hazardous substances.