SN-4

$2.49

SN 1/4 in. Tube Outside Diameter D Nut

Description

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

The SN-4 is a precision-machined 1/4" tube nut designed for secure assembly within compression fittings and instrumentation systems. Made from durable 316 stainless steel, this nut provides long-term corrosion resistance and consistent performance in both sanitary stainless steel fittings and high-pressure industrial applications.

Material: 316 Stainless Steel (Corrosion-Resistant Alloy)
Tube Size: 1/4" OD
Applications: Instrumentation fittings, process skids, OEM builds, hygienic fluid processors, valve manifolds

This compression-style tube nut is essential for leak-tight connections in gas and fluid systems where cleanliness, precision, and sealing integrity matter. Commonly paired with ferrules and tube bodies in pressure systems, the SN-4 supports cleanroom layouts, CIP piping setups, and regulated process lines with ease.

Fully compatible with Swagelok-style instrumentation fittings, it’s a trusted component in industries demanding precise fluid control and clean in place instrumentation performance.

Specifications
Inch/Metric Inch
Tube Outside Diameter D 1/4in, mm
Width Across Flats h 9/16in, mm
Dimensions
Dimension L 12.7mm
Compatibility
This part may be used in place of the following parts from other manufacturers
Swagelok 402-1