Swagelok B-400-71-4 is a brass bulkhead female connector designed to enable secure tube connections through panels or enclosures. This straight bulkhead fitting joins a 1/4 inch tube OD connection to a 1/4 inch female NPT connection, making it ideal for critical fluid systems requiring clean, sealed transitions and reliable transitions across barriers.

Technical Specifications

Specification	Detail
Body Material	Brass
Bored Through	No
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	1/4 in.
Connection 2 Type	Female NPT
Flow Restrictor	No

Design Features

As a straight bulkhead fitting, the B-400-71-4 provides robust tube grip and vibration resistance, ensuring leak-tight performance in demanding environments. Swagelok tube fittings have been proven over 65 years of successful application, including extensive testing under extreme conditions to confirm their superior reliability.

Identifiers

• eClass (10.1): 37020590
• UNSPSC (17.1001): 40183103
• UNSPSC (13.0601): 40183110

Installation and Safety

When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Proper installation, material compatibility, and adequate ratings are the responsibility of the system designer and user.

WARNING

Do not mix or interchange Swagelok products or components with those of other manufacturers. Ensure that all system components are selected for safety and compatibility within the specific application environment.