Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
HAM-LET Let-Lok 770L SS 5/16X 1/8 Double-Ferrule Tube x FNPT Adapter - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Let-Lok 770L SS 5/16X 1/8 Double-Ferrule Tube x FNPT Adapter

<p>The HAM-LET Let-Lok 770L SS 5/16X1/8 is a double-ferrule stainless steel fitting designed for reliable tube-to-pipe connections. This adapter features a tube x FNPT configuration, with a 5/16-inch tube end and a…

SKU 3G-OTH-471499

Also listed as: 770LSS516X18 · 770L SS 5 16X 1 8 · 770L-SS-5-16X-1-8

Brand
HAM-LET
Item
Let-Lok 770L SS 5/16X 1/8 Double-Ferrule Tube x FNPT Adapter
Part Number
770L SS 5/16X 1/8
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HAM-LET
Manufacturer Part Number
770L SS 5/16X 1/8
Series
Let-Lok
Type
Tube x FNPT
Compatible Fitting Brands
Parker A-LOK

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

<p>The HAM-LET Let-Lok 770L SS 5/16X1/8 is a double-ferrule stainless steel fitting designed for reliable tube-to-pipe connections. This adapter features a tube x FNPT configuration, with a 5/16-inch tube end and a 1/8-inch female NPT thread. Manufactured by HAM-LET under the Let-Lok series, it is compatible with Parker A-LOK fittings, offering flexibility in system integration.</p><p>Ideal for instrumentation and process applications requiring leak-tight performance, this fitting is suitable for use in industries such as oil & gas, chemical, and semiconductor. As a Singapore-based supplier, 3G Electric provides SGD quotes on request, handles GST for local buyers, and offers fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the specifications of the HAM-LET Let-Lok 770L SS 5/16X1/8?

It is a double-ferrule stainless steel fitting with a tube x FNPT configuration. The tube size is 5/16 inch and the FNPT thread size is 1/8 inch. The manufacturer part number is 770L SS 5/16X1/8.

Is this fitting compatible with other brands?

Yes, according to the specifications, it is compatible with Parker A-LOK fittings.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from HAM-LET

View all HAM-LET parts →
This HAM-LET Let-Lok double-ferrule stainless steel fitting is a Tube x ORB adapter with a 1 in OD tube to 1-5/16 in pipe connection. It is used in fluid control systems to connect tubing to an O-ring boss port, providing a leak-free seal. Compatible with Parker A-LOK fittings
HAM-LET
This HAM-LET Let-Lok double-ferrule stainless steel fitting is a Tube x ORB adapter with a 1 in OD tube to 1-5/16 in pipe connection. It is used in fluid control systems to connect tubing to an O-ring boss port, providing a leak-free seal. Compatible with Parker A-LOK fittings
This double-ferrule stainless steel union connects two tubes of the same outer diameter in a straight line, forming a leak-tight seal. It is used in industrial fluid and gas systems requiring vibration-resistant connections, such as instrumentation and process lines. Compatible with Swagelok fitting brands
HAM-LET
This double-ferrule stainless steel union connects two tubes of the same outer diameter in a straight line, forming a leak-tight seal. It is used in industrial fluid and gas systems requiring vibration-resistant connections, such as instrumentation and process lines. Compatible with Swagelok fitting brands
This double-ferrule stainless steel fitting connects 6 mm OD tubing to a 1/4 in MBSPP threaded port. The compression x MBSPP configuration is used in industrial fluid systems for leak-tight, vibration-resistant joints in instrumentation, hydraulic, and pneumatic lines
HAM-LET
This double-ferrule stainless steel fitting connects 6 mm OD tubing to a 1/4 in MBSPP threaded port. The compression x MBSPP configuration is used in industrial fluid systems for leak-tight, vibration-resistant joints in instrumentation, hydraulic, and pneumatic lines
Double-ferrule stainless steel compression elbow fitting with 6 mm OD tube size and 1/4 in male NPT pipe thread. Creates a leak-tight 90-degree connection in fluid systems. Compatible with Swagelok fittings
HAM-LET
Double-ferrule stainless steel compression elbow fitting with 6 mm OD tube size and 1/4 in male NPT pipe thread. Creates a leak-tight 90-degree connection in fluid systems. Compatible with Swagelok fittings
This HAM-LET double-ferrule stainless steel compression fitting elbow provides a 90-degree turn in tubing systems. With 6 mm OD compression connections on both ends, it is suited for industrial fluid handling and instrumentation lines requiring leak-tight joints
HAM-LET
This HAM-LET double-ferrule stainless steel compression fitting elbow provides a 90-degree turn in tubing systems. With 6 mm OD compression connections on both ends, it is suited for industrial fluid handling and instrumentation lines requiring leak-tight joints
This double-ferrule compression fitting is designed for 4 mm OD tubing, constructed from stainless steel. It is part of the Let-Lok series and is compatible exclusively with Let-Lok fitting brands. Typical applications include high-pressure instrumentation and process systems requiring leak-tight metal-to-metal seals
HAM-LET
This double-ferrule compression fitting is designed for 4 mm OD tubing, constructed from stainless steel. It is part of the Let-Lok series and is compatible exclusively with Let-Lok fitting brands. Typical applications include high-pressure instrumentation and process systems requiring leak-tight metal-to-metal seals
Tube x FNPT adapter from the Let-Lok series. Connects 1/4 in OD tubing to a 1/8 in female NPT port. Double-ferrule design provides a leak-tight seal in instrumentation, hydraulic, and pneumatic systems
HAM-LET
Tube x FNPT adapter from the Let-Lok series. Connects 1/4 in OD tubing to a 1/8 in female NPT port. Double-ferrule design provides a leak-tight seal in instrumentation, hydraulic, and pneumatic systems
This HAM-LET Let-Lok double-ferrule stainless steel fitting connects 1/8 in OD tubing to a 1/8 in male NPT thread. It is used in industrial fluid systems requiring leak-free sealing, such as instrumentation and pneumatic lines. Compatible with Parker A-LOK fittings
HAM-LET
This HAM-LET Let-Lok double-ferrule stainless steel fitting connects 1/8 in OD tubing to a 1/8 in male NPT thread. It is used in industrial fluid systems requiring leak-free sealing, such as instrumentation and pneumatic lines. Compatible with Parker A-LOK fittings

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first