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

HAM-LET Let-Lok Double-Ferrule Stainless Steel Tube x FNPT Adapter

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, Series Let-Lok, with a 1/2 in OD tube x 3/8 in FNPT pipe fitting size (MPN 770L SS 1/2 X 3/8). It is compatible with Parker A-LOK…

SKU 3G-OTH-471677

Also listed as: 770LSS12X38 · 770L SS 1 2 X 3 8 · 770L-SS-1-2-X-3-8

Brand
HAM-LET
Item
Let-Lok Double-Ferrule Stainless Steel Tube x FNPT 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
770L SS 1/2 X 3/8
Series
Let-Lok
Type
Tube x FNPT
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, Series Let-Lok, with a 1/2 in OD tube x 3/8 in FNPT pipe fitting size (MPN 770L SS 1/2 X 3/8). It is compatible with Parker A-LOK fitting brands, providing a reliable connection for industrial tubing systems.

Frequently Asked Questions

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

A HAM-LET compression fitting adapter connects 1/2 in OD tubing to a 3/8 in FNPT threaded port in industrial fluid or gas systems. Its double-ferrule design provides a leak-tight seal, making it suitable for instrumentation, chemical processing, and hydraulic applications where reliable connections are critical.

What are the specifications of the HAM-LET 770L SS 1/2 X 3/8?

This HAM-LET adapter is a double-ferrule stainless steel fitting from the Let-Lok series. It has a 1/2 in OD tube size and a 3/8 in FNPT pipe thread. The manufacturer part number is 770L SS 1/2 X 3/8, and it is compatible with Parker A-LOK fitting brands for interchangeability.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings, including the 770L SS 1/2 X 3/8 adapter, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this double-ferrule stainless steel fitting.

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

To install a HAM-LET double-ferrule fitting, insert the tube fully into the fitting body, then tighten the nut finger-tight. Use a wrench to turn the nut 1-1/4 turns past finger-tight for proper ferrule swaging. Always follow the manufacturer's torque recommendations and verify the connection is leak-free before pressurizing.

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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