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HAM-LET Let-Lok Double-Ferrule Tube Fitting Adapter - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Let-Lok Double-Ferrule Tube Fitting Adapter

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting in a Tube x MNPT configuration, with a 3/8 in OD tube size and 1/4 in pipe fitting size. Part of the Let-Lok series (MPN 739LM SS…

SKU 3G-OTH-471568

Also listed as: 739LMSS38X14 · 739LM SS 3 8 X 1 4 · 739LM-SS-3-8-X-1-4

Brand
HAM-LET
Item
Let-Lok Double-Ferrule Tube Fitting Adapter
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HAM-LET
Manufacturer Part Number
739LM SS 3/8 X 1/4
Series
Let-Lok
Type
Tube x MNPT
Compatible Fitting Brands
Parker A-LOK

Technical Documents

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HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting in a Tube x MNPT configuration, with a 3/8 in OD tube size and 1/4 in pipe fitting size. Part of the Let-Lok series (MPN 739LM SS 3/8 X 1/4), it is compatible with Parker A-LOK fittings, providing a reliable connection for industrial fluid systems.

Frequently Asked Questions

What is a HAM-LET compression fitting adapter used for?

This double-ferrule stainless steel adapter connects 3/8 in OD tubing to a 1/4 in male NPT port. It is used in industrial fluid systems for leak-tight sealing, high-pressure resistance, and vibration tolerance. HAM-LET's Let-Lok series ensures reliable performance in instrumentation, chemical, and hydraulic applications.

What are the specifications of the HAM-LET 739LM SS 3/8 X 1/4?

The HAM-LET 739LM SS 3/8 X 1/4 is a Tube x MNPT adapter from the Let-Lok series. It has a 3/8 in OD tube size and a 1/4 in pipe fitting size. Made of stainless steel with double-ferrule design, it is compatible with Parker A-LOK fittings for secure connections in fluid systems.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings, including the 739LM SS 3/8 X 1/4, to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this item.

How to install a HAM-LET double-ferrule compression fitting?

To install, slide the nut and ferrules onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten 1-1/4 turns past hand-tight for proper ferrule swaging. Always follow manufacturer guidelines and use a tube cutter for a square end.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET H99 Series needle valves for instrument isolation in high-pressure lines
Chemical processing — HAM-LET H-400 Series check valves for backflow prevention in corrosive fluid systems
Semiconductor manufacturing — HAM-LET EVZS4R-BV diaphragm valves for ultra-high-purity gas distribution
Power generation — HAM-LET H-6800 Series three-way ball valves for cooling water flow switching
Analytical instrumentation — HAM-LET H300U Series metering valves for precise flow regulation in lab gas systems
Hydraulic systems — HAM-LET H-410 Series poppet check valves for load-holding in hydraulic circuits

HAM-LET Products

3G Electric supplies HAM-LET double-ferrule stainless steel fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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