---
product_id: 43351658
title: "400-6 Stainless Steel Tube Fitting, Union, 1/4\" Tube Od"
brand: "swagelok"
price: "$47.54"
currency: USD
in_stock: true
reviews_count: 1
category: "Swagelok"
url: https://www.desertcart.us/products/43351658-400-6-stainless-steel-tube-fitting-union-1-4-tube
store_origin: US
region: United States of America
---

# Precision 1/4" Tube OD Union NPT Thread for Secure Fit Durable Stainless Steel Build 400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od

**Brand:** swagelok
**Price:** $47.54
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your plumbing game with Swagelok precision!

## Quick Answers

- **What is this?** 400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od by swagelok
- **How much does it cost?** $47.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/43351658-400-6-stainless-steel-tube-fitting-union-1-4-tube)

## Best For

- swagelok enthusiasts

## Why This Product

- Trusted swagelok brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Lightweight Design:** Easy to install in tight spaces without adding bulk.
- • **Seamless 1/4" Tube Connection:** Effortlessly join fractional tubing with unmatched precision.
- • **Trusted NPT Thread Compatibility:** Ensures leak-proof, secure fittings every time.
- • **Made in the USA Quality Assurance:** Reliability backed by American manufacturing standards.
- • **Premium Stainless Steel Durability:** Engineered to resist corrosion and maintain integrity under pressure.

## Overview

The Swagelok SS-400-6 is a high-quality stainless steel union tube fitting designed for 1/4" OD tubing. Featuring durable corrosion-resistant material and NPT threading, it guarantees a secure, leak-proof connection. Compact and lightweight, this USA-made fitting is trusted by professionals for reliable, long-lasting performance in industrial and scientific applications.

## Description

Swagelok SS-400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od 1/4" tube OD Connect fractional tubing sections Made of stainless steel

Review: Great as usual - Great as is all swagelok fittings

## Features

- Package Dimensions: 9.6 H x 1.7 L x 7.2 W (centimetres)
- Package Weight: 0.035 kilograms
- Country of Origin : United States
- Unit count: 1.0

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00EAA9IZE |
| Best Sellers Rank | #341,953 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #297 in Threaded Tube Fittings |
| Brand | Swagelok |
| Color | Stainless Steel |
| Connector Type | Union |
| Date First Available | July 31, 2013 |
| Exterior Finish | Stainless Steel |
| Item Weight | 1.23 ounces |
| Item dimensions L x W x H | 1.56 x 0.84 x 1.56 inches |
| Item model number | 2713C27EA |
| Manufacturer | Swagelok |
| Material | Stainless Steel |
| National Stock Number | 4730-00-061-0412 |
| Product Dimensions | 1.56 x 0.84 x 1.56 inches |
| Size | 0.25 inches |
| Thread Size | 0.25 inch |
| Thread Type | NPT |

## Product Details

- **Brand:** Swagelok
- **Color:** Stainless Steel
- **Connector Type:** Union
- **Exterior Finish:** Stainless Steel
- **Item dimensions L x W x H:** 1.56 x 0.84 x 1.56 inches
- **Manufacturer:** Swagelok
- **Material:** Stainless Steel
- **Size:** 0.25 inches
- **Thread Size:** 0.25 inch
- **Thread Type:** NPT

## Images

![400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od - Image 1](https://m.media-amazon.com/images/I/41X1-Ui1NrL.jpg)

## Questions & Answers

**Q: Does this 1/4" union include both sets of ferrules ?**
A: Wouldn't know. I got the package which was empty. Stupid me lost the package

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great as usual
*by M***B on April 9, 2019*

Great as is all swagelok fittings

## Frequently Bought Together

- Swagelok SS-400-6 Stainless Steel Tube Fitting, Union, 1/4" Tube Od
- Swagelok SS-400-1-4 Stainless Steel Tube Fitting, Male Connector, 1/4" Tube OD, 1/4" Male NPT
- Swagelok SS-400-3 Stainless Steel Tube Fitting, Union Tee, 1/4" Tube OD

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/43351658-400-6-stainless-steel-tube-fitting-union-1-4-tube](https://www.desertcart.us/products/43351658-400-6-stainless-steel-tube-fitting-union-1-4-tube)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-18*