Swagelok SS-4FK0-C medium pressure tube fitting cap is designed to seal unused ports, preventing contamination and leaks. It protects system components during maintenance, transportation, and storage, ensuring system integrity. The FK series medium-pressure tube fittings provide leak-tight gas seal and vibration resistance in applications up to 20,000 psig (1378 bar).

Specifications

Attribute	Value
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Medium-Pressure Tube Fitting
Flow Restrictor	No
eClass (4.1)	37020713
eClass (5.1.4)	37020590
eClass (6.0)	37020590
eClass (6.1)	37020590
eClass (10.1)	37020590
UNSPSC (4.03)	40141700
UNSPSC (10.0)	40142600
UNSPSC (11.0501)	40142600
UNSPSC (13.0601)	40183100
UNSPSC (15.1)	40183100
UNSPSC (17.1001)	40183104

System Design

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, 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.

Product Interchangeability

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