Description

Superlok Compression Nut - SN

The Superlok Compression Nut - SN is designed to connect fractional tubing in laboratory, chemical processing, and fluid-handling systems. It is available in 1/4", 3/8", and 1/2" sizes to accommodate common fractional tube configurations.

The SN Series compression nut is interchangeable with major compression fitting brands, including Parker, Swagelok, and DK-Lok. This compatibility makes it a practical replacement or component option for systems using established fractional tubing connections.

Built for use with compatible fractional tube fittings, the Superlok Compression Nut - SN supports secure tube connection assemblies and helps simplify component replacement across a range of laboratory and industrial fluid-handling applications.

Superlok SN Series Fractional Tube 1/4", 3/8", 1/2" Compression Nut Major Brand Compatible

Fractional Tube Sizes: Available in 1/4", 3/8", and 1/2" configurations — supports common tubing sizes.

Broad Compatibility: Interchangeable with major brands such as Parker, Swagelok, and DK-Lok — simplifies replacement and system maintenance.

Compression Connection: Designed for compatible fractional tube fitting assemblies — provides a practical component for laboratory and fluid-handling systems.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Why this Superlok Compression Nut?

Multiple fractional sizes — available in 1/4", 3/8", and 1/2" configurations for common tubing requirements.
Major brand interchangeability — designed as an interchangeable option for compatible Parker, Swagelok, and DK-Lok compression fitting systems.
Compression fitting design — provides a dedicated nut component for compatible fractional tube connection assemblies.
Laboratory-ready component — suitable for fluid-handling systems used across laboratory, chemical, and industrial environments.
Convenient replacement option — helps simplify sourcing when replacing compatible compression fitting components.

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Technical Specifications

Specification	Details
Product Name	Superlok Compression Nut - SN
Product Series	SN Series
Product Type	Compression Nut
Brand	Superlok
Connection Type	Compression Tube Connection
Tube Type	Fractional Tube
Available Size	1/4", 3/8", 1/2"
1/4 in. Configuration	Available
3/8 in. Configuration	Available
1/2 in. Configuration	Available
Application	Fractional Tube Connection Systems
Fitting Style	Compression Fitting Component
Compatible Brands	Parker, Swagelok, DK-Lok
Installation Type	Compression Fitting Assembly
Component Function	Secures compatible fractional tube fitting assemblies
Primary Use	Fluid and Gas Handling Systems
Typical Environment	Laboratory, Chemical Processing, and Industrial Systems
Product Configuration	Select by Fractional Tube Size

Popular Industries & Use Cases

Chemical Processing Pharmaceutical Research Chemical Sciences Academic Research

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FAQ

What sizes are available for the Superlok Compression Nut - SN?

The Superlok Compression Nut - SN is available in 1/4", 3/8", and 1/2" fractional tube sizes.

What brands is the Superlok Compression Nut - SN interchangeable with?

The SN Series is described as interchangeable with major compression fitting brands including Parker, Swagelok, and DK-Lok, when used with compatible components.

What type of tubing is the Superlok Compression Nut - SN designed for?

The Superlok Compression Nut - SN is designed for fractional tubing and compatible compression fitting assemblies in fluid and gas handling systems.

What is the Superlok Compression Nut - SN used for?

The Superlok Compression Nut - SN is used as a compression fitting component for compatible fractional tube connection systems in laboratory, chemical processing, and industrial applications.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

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Specifications

Brand:	Superlok
Material:	316 SS
Lead Time:	1–3 Days
Warranty Term:	1 Year
Return Window:	30 Days

Warranty

Fittings and steel do NOT carry any warranty. Fittings and steel items with a defect or other issue must be identified within 30 days of arrival and USA Lab MUST be contacted. After 30 days, there will be no replacements sent for fittings or steel items with a defect or issue. Cross threading, misuse, improper storage, or improper care of fittings/steel are considered user error and are not covered under warranty.

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

Full Shipping Policy

Delivery & Damage Claims

Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

Full Warranty Policy

International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

International Guidelines