Stainless Steel Tube Nut – 1/4" Tube OD | Compression Nut for Instrumentation Fittings

The SN-4 is a precision-machined 1/4" tube nut engineered for use in compression fittings and sanitary-grade instrumentation systems. Made from 316 stainless steel, it offers exceptional corrosion resistance and mechanical strength, making it suitable for hygienic fluid processors, Clean-in-Place (CIP) setups, and high-pressure industrial environments.

This nut is a critical component in achieving leak-tight sealing when paired with ferrules and tube bodies, supporting precise fluid control in process skids, gas lines, and OEM panel assemblies. Its consistent performance and hygienic compatibility make it a go-to choice in regulated industries, including biotech, food and beverage, and pharmaceutical production.

Fully compatible with Swagelok® style instrumentation fittings, the SN-4 supports seamless integration in cleanroom layouts and pressure-sensitive environments where precision and durability are essential.

Key Benefits

• Seal: Provides strong mechanical grip and leak-tight compression when assembled
• Durability: Withstands high pressure, vibration, and CIP cleaning cycles
• Compatibility: Works with standard 1/4" stainless tubing and ferrule sets
• Material: 316 stainless steel supports sanitary and industrial fluid systems
• Reliability: Trusted for long-term performance in regulated environments

Typical Applications

• Instrumentation fittings and tubing assemblies
• Clean-in-Place (CIP) piping systems
• Original Equipment Manufacturer (OEM) process skids
• Hygienic fluid processors and valve manifolds
• Gas and liquid sampling systems

Looking for a Swagelok-style 1/4" tube nut? The SN-4 offers precise, hygienic-grade performance for fluid systems that demand secure sealing and long-lasting reliability.