S-93785A970 0.531" ID x 1.25" OD ASME B18.22.1 Plastic Washers
Plastic Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional thermal stability with continuous operation from -50°F to 550°F, ensuring reliable performance in extreme temperature environments.
- Superior chemical resistance from PEEK polymer construction, preventing degradation from harsh industrial chemicals and solvents.
- Precision dimensional accuracy with 0.531" ID and 1.25" OD, providing perfect fitment for 1/2" fasteners in critical assemblies.
- ASME B18.22.1 compliance guarantees standardized quality and interchangeability across industrial applications.
- RoHS 3 environmental compliance ensures safe usage in regulated industries and environmentally conscious operations.
- Excellent dielectric properties for electrical insulation in high-temperature electrical applications.
- Low moisture absorption maintains dimensional stability and mechanical properties in humid conditions.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this PEEK plastic flat washer solves critical challenges in high-temperature and chemically aggressive applications. The beige PEEK material provides outstanding thermal endurance where metal washers would fail, maintaining structural integrity from cryogenic conditions to intense heat cycles. Its chemical-resistant properties prevent swelling and degradation when exposed to aggressive solvents, oils, and industrial fluids. The precision 0.531" ID and 1.25" OD dimensions ensure perfect alignment and load distribution for 1/2" screws in machinery, processing equipment, and aerospace assemblies. This flat washer delivers consistent performance in electrical insulation applications while meeting rigorous ASME B18.22.1 specifications for reliability in mission-critical fastening systems.
Specification Summary & Compliance
This flat washer features precision dimensions of 0.531" inner diameter and 1.25" outer diameter with thickness ranging from 0.090" to 0.112". Manufactured to ASME B18.22.1 standards for dimensional consistency and performance reliability. The product is RoHS 3 (2015/863/EU) compliant and designed for use with 1/2" screw sizes in inch measurement systems. Temperature capability spans from -50°F to 550°F maximum operating range.
