Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

HAM-LET Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size

The HAM-LET Let-Lok Double-Ferrule Stainless Steel Fitting is a compression fitting adapter in a Tube x FNPT configuration, sized 5/16 in OD x 1/8 in Pipe (MPN 766L SS 5/16X 1/8). It is compatible with Parker A-LOK…

SKU 3G-OTH-471587

Also listed as: 766LSS516X18 · 766L SS 5 16X 1 8 · 766L-SS-5-16X-1-8

Brand
HAM-LET
Item
Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size
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.
Worldwide Shipping
Air & sea freight
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
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
766L 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

The HAM-LET Let-Lok Double-Ferrule Stainless Steel Fitting is a compression fitting adapter in a Tube x FNPT configuration, sized 5/16 in OD x 1/8 in Pipe (MPN 766L SS 5/16X 1/8). It is compatible with Parker A-LOK fitting brands, supporting reliable connections in industrial fluid systems.

Frequently Asked Questions

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

This HAM-LET Let-Lok double-ferrule stainless steel fitting adapter connects 5/16 in OD tubing to a 1/8 in FNPT port. It is used in industrial fluid systems requiring leak-tight, vibration-resistant connections, such as instrumentation, chemical processing, and hydraulic lines.

What are the specifications of the HAM-LET 766L SS 5/16X 1/8 fitting?

The HAM-LET 766L SS 5/16X 1/8 is a double-ferrule compression fitting adapter. It has a Tube x FNPT configuration with a 5/16 in OD tube size and 1/8 in pipe size. It is part of the Let-Lok series and is compatible with Parker A-LOK fittings.

Where to buy HAM-LET Let-Lok fittings worldwide?

3G Electric supplies HAM-LET Let-Lok fittings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this 766L SS 5/16X 1/8 adapter for your fluid system needs.

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 out. Tighten the nut finger-tight, then use a wrench to tighten an additional 1-1/4 turns for 5/16 in OD tubing. Always follow manufacturer guidelines for proper ferrule seating.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from HAM-LET

View all HAM-LET parts
This double-ferrule stainless steel compression cross fitting has four 1/4 in OD ports. It is part of the Let-Lok series and is compatible with Parker A-LOK fittings. Used to connect four tubes of equal outer diameter in instrumentation and process systems
HAM-LET
This double-ferrule stainless steel compression cross fitting has four 1/4 in OD ports. It is part of the Let-Lok series and is compatible with Parker A-LOK fittings. Used to connect four tubes of equal outer diameter in instrumentation and process systems
This double-ferrule compression union connects two 12 mm OD tubes in industrial tubing systems. Constructed from stainless steel, it provides a leak-tight seal suitable for pneumatic, hydraulic, and instrumentation lines. The Compression x Compression design ensures secure connections in demanding environments
HAM-LET
This double-ferrule compression union connects two 12 mm OD tubes in industrial tubing systems. Constructed from stainless steel, it provides a leak-tight seal suitable for pneumatic, hydraulic, and instrumentation lines. The Compression x Compression design ensures secure connections in demanding environments
This HAM-LET Let-Lok double-ferrule compression fitting adapter connects 1/4 in OD tubing to 1/4 in male NPT pipe threads. It is constructed of stainless steel and is compatible with Swagelok fittings. Typical applications include instrumentation and process lines in industrial fluid systems
HAM-LET
This HAM-LET Let-Lok double-ferrule compression fitting adapter connects 1/4 in OD tubing to 1/4 in male NPT pipe threads. It is constructed of stainless steel and is compatible with Swagelok fittings. Typical applications include instrumentation and process lines in industrial fluid systems
This double-ferrule stainless steel compression fitting adapter connects 3 mm OD tubing to 1/16 in MNPT threaded ports. The compression x MNPT design is used in industrial fluid systems for leak-tight seals. Compatible with Swagelok fitting brands
HAM-LET
This double-ferrule stainless steel compression fitting adapter connects 3 mm OD tubing to 1/16 in MNPT threaded ports. The compression x MNPT design is used in industrial fluid systems for leak-tight seals. Compatible with Swagelok fitting brands
Stainless steel double-ferrule compression fitting for 3/4 in OD tubing. Part of the Let-Lok series, sold as a 10-pack. Creates leak-tight seals in high-pressure tubing systems for instrumentation, process control, and hydraulic applications
HAM-LET
Stainless steel double-ferrule compression fitting for 3/4 in OD tubing. Part of the Let-Lok series, sold as a 10-pack. Creates leak-tight seals in high-pressure tubing systems for instrumentation, process control, and hydraulic applications
This double-ferrule stainless steel compression fitting adapter connects 6 mm OD tubing to a 1/4 in FBSPP threaded port. The Compression x FBSPP design provides a leak-tight seal in fluid systems. Compatible with Swagelok fitting brands
HAM-LET
This double-ferrule stainless steel compression fitting adapter connects 6 mm OD tubing to a 1/4 in FBSPP threaded port. The Compression x FBSPP design provides a leak-tight seal in fluid systems. Compatible with Swagelok fitting brands
This HAM-LET compression tee fitting is made of stainless steel and features a double-ferrule design for secure tube gripping without welding or soldering. It has a 1/4 in OD tube x 1/8 in pipe x 1/4 in OD tube configuration and is compatible with Parker A-LOK fittings. Used in instrumentation, hydraulic, and pneumatic tubing systems to create a leak-tight branch connection
HAM-LET
This HAM-LET compression tee fitting is made of stainless steel and features a double-ferrule design for secure tube gripping without welding or soldering. It has a 1/4 in OD tube x 1/8 in pipe x 1/4 in OD tube configuration and is compatible with Parker A-LOK fittings. Used in instrumentation, hydraulic, and pneumatic tubing systems to create a leak-tight branch connection
This double-ferrule stainless steel fitting connects tubes of 8 mm OD and 3 mm OD via compression ends. Suitable for joining different tube sizes in fluid systems requiring leak-tight connections. Compatible with Swagelok fitting brands
HAM-LET
This double-ferrule stainless steel fitting connects tubes of 8 mm OD and 3 mm OD via compression ends. Suitable for joining different tube sizes in fluid systems requiring leak-tight connections. Compatible with Swagelok fitting brands