S-91339A150 3/8"-16 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
- Reliable sealing under extreme pressure – Withstands up to 6000 psi, ensuring leak-proof connections in high-pressure industrial systems.
- Broad temperature resilience – Silicone rubber seal performs consistently from -100°F to 400°F, suitable for harsh thermal environments.
- Corrosion-resistant 18-8 stainless steel construction – Provides excellent durability and longevity in corrosive or moist conditions.
- Standard external hex drive – Allows for easy installation and removal with common tools, improving assembly efficiency.
- UL 50 certification and compliance – Meets recognized safety standards, assuring quality and reliability for electrical and industrial enclosures.
- Coarse UNC threads with Class 2B fit – Ensures smooth engagement and secure fastening, reducing cross-threading risks.
- Environmental regulation adherence – REACH and RoHS 3 compliant, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This 3/8"-16 UNC sealing nut delivers critical performance in demanding applications where pressure integrity and environmental sealing are paramount. The 18-8 stainless steel body resists rust and chemical exposure, while the integrated silicone rubber seal maintains a tight barrier against moisture, dust, and gases across a wide temperature range from -100° to 400° F. Ideal for industrial machinery, hydraulic systems, and electrical enclosures, it solves common leakage issues under high-pressure conditions up to 6000 psi. The external hex drive and coarse thread design facilitate quick, reliable installations, minimizing downtime and enhancing operational safety in compliance with UL 50 standards.
Specification Summary & Compliance
This sealing nut features a 3/8"-16 UNC coarse thread with Class 2B thread fit for precise engagement, and dimensions of 9/16" width and 21/64" height. It conforms to UL 50 specifications and is manufactured from 18-8 stainless steel with a silicone rubber seal. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) directives, ensuring adherence to environmental and safety regulations.
