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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 Let-Lok Series 770L SS 5/16X 1/4 is a double-ferrule stainless steel compression fitting adapter, configured as a 5/16 in OD tube x 1/4 in FNPT pipe fitting. It is compatible with Parker A-LOK fittings…

SKU 3G-OTH-472113

Also listed as: 770LSS516X14 · 770L SS 5 16X 1 4 · 770L-SS-5-16X-1-4

Brand
HAM-LET
Item
Let-Lok Double-Ferrule Stainless Steel Tube x FNPT Adapter
Part Number
770L SS 5/16X 1/4
Category
Double-Ferrule Stainless Steel Fittings
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Technical Specifications

HAM-LET
Manufacturer Part Number
770L SS 5/16X 1/4
Series
Let-Lok
Type
Tube x FNPT
Compatible Fitting Brands
Parker A-LOK

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

Product Description

The HAM-LET Let-Lok Series 770L SS 5/16X 1/4 is a double-ferrule stainless steel compression fitting adapter, configured as a 5/16 in OD tube x 1/4 in FNPT pipe fitting. It is compatible with Parker A-LOK fittings, providing a reliable connection for industrial tubing systems.

Frequently Asked Questions

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

The HAM-LET Let-Lok 770L SS adapter connects 5/16 in OD tubing to a 1/4 in FNPT threaded port. It is used in industrial instrumentation, hydraulic, and pneumatic systems where a leak-tight, vibration-resistant joint is required. The double-ferrule design ensures reliable sealing in high-pressure tubing applications.

What are the specifications of the HAM-LET 770L SS 5/16X 1/4?

This HAM-LET Let-Lok adapter is a double-ferrule stainless steel compression fitting with a 5/16 in OD tube end and a 1/4 in FNPT pipe thread. It is compatible with Parker A-LOK fittings. The series is Let-Lok, and the manufacturer part number is 770L SS 5/16X 1/4.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET Let-Lok compression fittings and adapters to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 770L SS 5/16X 1/4 or other HAM-LET series.

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

To install a HAM-LET Let-Lok double-ferrule fitting, insert the tube fully into the fitting until it bottoms against the shoulder. Tighten the nut finger-tight, then use a wrench to tighten 1-1/4 turns for tube sizes up to 1/2 in. Always follow the manufacturer's torque specifications for leak-free performance.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET high-pressure needle valves and single-valve manifolds for wellhead control panels and sampling systems.
Chemical processing — Let-Lok double-ferrule fittings in 316L stainless steel for corrosive fluid transfer lines and dosing skids.
Semiconductor fabrication — HAM-LET diaphragm valves and high-purity fittings for ultrapure water and specialty gas delivery.
Analytical instrumentation — HAM-LET metering valves and compression fittings for GC, HPLC, and mass spectrometry sample handling.
Power generation — HAM-LET ball valves and manifolds for steam and water sampling in boiler and turbine systems.
Research laboratories — HAM-LET needle valves and tube adapters for bench-scale gas and liquid flow control rigs.
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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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