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HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/2 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 1/2 in Pipe Fitting Size

The HAM-LET Let-Lok Series 770L SS 3/8 X 1/2 is a double-ferrule stainless steel compression fitting adapter, configured as a Tube x FNPT with a 3/8 in OD tube size and 1/2 in pipe fitting size. It is compatible with…

SKU 3G-OTH-471678

Brand
HAM-LET
Item
Compression Fitting Adapter: 3/8 in OD x 1/2 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 1/2
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 Series 770L SS 3/8 X 1/2 is a double-ferrule stainless steel compression fitting adapter, configured as a Tube x FNPT with a 3/8 in OD tube size and 1/2 in pipe fitting size. It is compatible with Swagelok fitting brands, supporting reliable connections in industrial fluid systems.

Frequently Asked Questions

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

The HAM-LET Let-Lok 770L SS 3/8 X 1/2 adapter connects 3/8 in OD tubing to a 1/2 in FNPT threaded 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 770L SS 3/8 X 1/2?

This double-ferrule stainless steel fitting has a tube size of 3/8 in OD and a pipe fitting size of 1/2 in FNPT. It is part of the Let-Lok series, compatible with Swagelok brands, and manufactured by HAM-LET. The MPN is 770L SS 3/8 X 1/2.

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

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

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

Insert the tube fully into the fitting until it bottoms against the shoulder. Hand-tighten the nut, then use a wrench to tighten 1-1/4 turns for 3/8 in OD tubing. Do not overtighten. Always follow the manufacturer's instructions for leak-free connections.

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: 3/8 in OD x 1/8 in Pipe Fitting Size, Tube x FNPT (MPN 766L SS 3/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 5/8 in OD x 7/8 in Pipe Fitting Size, Tube x ORB (MPN 768LOB SS 5/8 X 7/8-14). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 5/8 in OD x 7/8 in Pipe.
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HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 762L SS 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Elbow: 3/8 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 769L SS 3/8 X 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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