Description

USALOK Compression Tube Stub x FNPT Adapters | USA Lab

The USA Lab USALOK Compression Tube Stub x FNPT Adapters are designed to provide a secure, reliable connection between compression tubing systems and Female NPT threaded components. Built for demanding laboratory, industrial, chemical, and process applications, these adapters help create dependable transitions between tubing and threaded piping systems.

Each adapter features a compression tube stub connection on one side and a Female NPT (FNPT) threaded connection on the other, making it easy to integrate into fluid transfer, gas handling, instrumentation, pneumatic, and process control setups. The precision-machined design supports consistent sealing performance while helping minimize the risk of leaks under pressure.

Manufactured from high-quality stainless steel, USA Lab USALOK Compression Tube Stub x FNPT Adapters offer excellent corrosion resistance, durability, and long service life in systems handling chemicals, solvents, gases, water, compressed air, and other compatible process media.

Always confirm material compatibility with your process media before use.
Inspect fittings, threads, and sealing surfaces before installation.

Compression Tube Stub Female NPT Connection Stainless Steel USALOK Fitting

Connection: Compression tube stub x Female NPT adapter design.

Material: High-quality stainless steel for corrosion resistance.

Performance: Precision-machined for secure, leak-tight connections.

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 choose USALOK Compression Tube Stub x FNPT Adapters?

Reliable connection — transitions compression tube systems to Female NPT threaded components.
Stainless steel construction — provides excellent durability and corrosion resistance.
Precision-machined design — supports consistent fitment and sealing performance.
Versatile compatibility — suitable for liquid, gas, pneumatic, and instrumentation systems.
Process-ready performance — ideal for laboratories, chemical processing, sampling lines, and industrial automation setups.

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Technical Specifications

Model	USA Lab USALOK Compression Tube Stub x FNPT Adapters
Product Type	Compression Tube Stub x Female NPT Adapter
Connection Type	Compression Tube Stub to FNPT
Material	Stainless Steel
Thread Type	Female NPT
Design	Precision-Machined Adapter
Compatibility	Compression Tubing and NPT Threaded Components
Media	Chemicals, Solvents, Gases, Water, and Compressed Air
Applications	Fluid Transfer, Gas Handling, Instrumentation, and Pneumatic Systems
Performance	Leak-Tight and Vibration-Resistant Connection
Finish	Clean Stainless Steel Finish
Use Environment	Laboratory, Industrial, Chemical, and Process Applications

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FAQ

What are USA Lab USALOK Compression Tube Stub x FNPT Adapters used for?

USA Lab USALOK Compression Tube Stub x FNPT Adapters are used to connect compression tubing systems to Female NPT threaded components in fluid transfer, gas handling, instrumentation, and process applications.

What material are these adapters made from?

USA Lab USALOK Compression Tube Stub x FNPT Adapters are manufactured from high-quality stainless steel for durability, corrosion resistance, and dependable performance in laboratory and industrial environments.

Can these adapters be used with chemicals and solvents?

Yes. USA Lab USALOK Compression Tube Stub x FNPT Adapters are commonly used with compatible chemicals, solvents, gases, water, compressed air, and other process media. Always verify compatibility with your specific application before use.

Are these fittings suitable for instrumentation systems?

Yes. USA Lab USALOK Compression Tube Stub x FNPT Adapters are well suited for instrumentation lines, pneumatic systems, sampling setups, control lines, and other applications requiring secure tubing-to-threaded connections.

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:	USALOK
Material:	316L 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

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Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.

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USALOK Compression Tube Stub X FNPT Adapter

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