S-91339A130 1/4"-20 UL 50 Sealing Nuts
Sealing Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Cap Parameters
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Key Features & Benefits at a Glance
- Superior Sealing Performance with integrated silicone rubber seal that prevents leaks in demanding environments
- Exceptional Pressure Resistance rated for 6000 psi maximum pressure for high-pressure industrial applications
- Wide Temperature Compatibility maintains sealing integrity from -100° to 400° F (-73° to 204° C)
- Corrosion-Resistant Construction made from durable 18-8 stainless steel for long service life
- Industry Standard Compliance meets UL 50 certification for safety and performance assurance
- Precision Thread Fit features Class 2B UNC coarse threads for reliable engagement and vibration resistance
- Environmental Regulation Compliance meets RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This 1/4"-20 UNC sealing nut delivers critical sealing solutions for industrial equipment where pressure integrity and environmental resistance are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance in harsh environments, while the integrated silicone rubber seal maintains compression sealing across extreme temperature fluctuations from -100° to 400° F. The external hex drive style with standard profile ensures easy installation with common tools, and the Class 2B thread fit with UNC coarse threading provides reliable engagement in high-vibration applications. Ideal for hydraulic systems, pneumatic equipment, and industrial machinery requiring 6000 psi pressure rating with UL 50 certified performance assurance.
Specification Summary & Compliance
This sealing nut features precision 1/4"-20 UNC coarse threads with Class 2B thread fit for consistent engagement. The external hex design measures 7/16" across flats with 7/32" height. Manufactured to meet UL 50 specifications and certified for maximum pressure of 6000 psi. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material compliance standards.
