Swagelok SS-3M0-4 is a 316 stainless steel union cross tube fitting designed to provide reliable four-way connections for 3 mm outside diameter (OD) tubing. This precision-engineered component is ideal for complex fluid system routing in compact designs, ensuring leak-tight performance and structural integrity under demanding industrial conditions.

Performance Features

Swagelok union crosses support four-way tube connections with precise alignment. These fittings are recognized for their superior reliability, proven over 65 years of successful application in diverse environments. Key characteristics include:

• Firm Tube Grip: Provides high vibration resistance and leak-tight sealing.
• Proven Reliability: Performance documented in extensive public test reports, including extreme condition testing.
• Compact Design: Facilitates efficient routing in tight spaces without compromising flow path integrity.

Technical Specifications

Specification	Details
Body Material	316 Stainless Steel
Connection Sizes (1-4)	3 mm
Connection Types (1-4)	Swagelok® Tube Fitting
Cleaning	Standard Cleaning and Packaging (SC-10)
Bored Through	No
Flow Restrictor	No

Product Identifiers

Classification System	Code
eClass (10.1)	37020590
UNSPSC (17.1001)	40183111
eClass (6.0)	37200107
UNSPSC (13.0601)	40183111

System Selection

The total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Interchangeability

Do not mix or interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.