Swagelok SS-4-VCO-3-4TA 316 stainless steel VCO O-ring face seal fitting and tube adapter. It features a 1/4 in. VCO fitting connection to a 1/4 in. tube outside diameter (OD). This gland component provides a secure, high-purity sealing interface for VCO assemblies, ensuring repeatable vacuum-tight performance in instrumentation systems.

Specifications

Specification	Value
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	VCO® O-Ring Face Seal Gland
Connection 2 Size	1/4 in.
Connection 2 Type	Swagelok® Tube Adapter
Flow Restrictor	No
eClass (4.1)	37020713
eClass (5.1.4)	37020590
eClass (6.0)	37020500
eClass (6.1)	37020590
eClass (10.1)	37020590
UNSPSC (4.03)	31163000
UNSPSC (10.0)	40142613
UNSPSC (11.0501)	40142612
UNSPSC (13.0601)	40183109
UNSPSC (15.1)	40183109
UNSPSC (17.1001)	40183107

System Design and Component Intermixing

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.

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.