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HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/4 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 3/8 in OD x 1/4 in Pipe. It is compatible with Swagelok fitting brands, offering a…

SKU 3G-OTH-471679

Brand
HAM-LET
Item
Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size
Category
Double-Ferrule Stainless Steel Fittings
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Technical Specifications

HAM-LET
Manufacturer Part Number
770L SS 3/8 X 1/4
Series
Let-Lok
Type
Tube x FNPT
Compatible Fitting Brands
Swagelok
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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 3/8 in OD x 1/4 in Pipe. It is compatible with Swagelok fitting brands, offering a reliable connection for industrial tubing systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

A HAM-LET Let-Lok double-ferrule compression fitting adapter connects 3/8 in OD tubing to a 1/4 in FNPT threaded port. It provides a leak-tight, vibration-resistant seal in industrial instrumentation, hydraulic, and process systems where Swagelok-compatible fittings are required.

What are the specifications of the HAM-LET 770L SS 3/8 X 1/4 fitting?

The HAM-LET 770L SS 3/8 X 1/4 is a double-ferrule stainless steel compression fitting adapter. It has a Tube x FNPT configuration with 3/8 in OD tube size and 1/4 in pipe thread. It belongs to the Let-Lok series and is compatible with Swagelok fitting brands.

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

3G Electric supplies HAM-LET Let-Lok compression fittings 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 3/8 X 1/4 adapter.

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, then tighten the nut finger-tight. Mark the nut position, then tighten an additional 1-1/4 turns for 3/8 in OD tubing. Always follow manufacturer instructions for proper ferrule grip.

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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HAM-LET Compression Fitting Adapter: 8 mm OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 768L-SS-8MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/4 in Pipe Fitting Size, Tube x MNPT (MPN 769L SS 1/2 X 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 1/2 in OD x 3/4 in Pipe.
HAM-LET Compression Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 771L SS 3/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 771L SS 3/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 12 mm OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 12 mm OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 14 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 14MMX 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LP SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LP SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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