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HAM-LET Compression Fitting Adapter: 12 mm OD x 1/4 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 12 mm OD x 1/4 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter (MPN 766L-SS-12MM X 1/4) is a double-ferrule stainless steel fitting with a 12 mm OD tube size and 1/4 in FNPT pipe thread. It is compatible with Let-Lok fitting brands…

SKU 3G-OTH-471817

Brand
HAM-LET
Item
Compression Fitting Adapter: 12 mm 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
766L-SS-12MM X 1/4
Type
Compression x FNPT
Compatible Fitting Brands
Let-Lok
View Full Spec Sheet

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

Product Description

The HAM-LET Compression Fitting Adapter (MPN 766L-SS-12MM X 1/4) is a double-ferrule stainless steel fitting with a 12 mm OD tube size and 1/4 in FNPT pipe thread. It is compatible with Let-Lok fitting brands, providing a reliable compression x FNPT connection for industrial fluid systems.

Frequently Asked Questions

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

A HAM-LET compression fitting adapter connects 12 mm OD tubing to a 1/4 in FNPT threaded port in industrial fluid systems. It provides a leak-tight, double-ferrule seal for instrumentation, chemical, and hydraulic applications where reliable stainless steel connections are required.

What are the specifications of the HAM-LET 766L-SS-12MM X 1/4?

This HAM-LET adapter has a 12 mm OD tube size and 1/4 in FNPT pipe thread. It is a double-ferrule stainless steel compression x FNPT fitting, compatible with Let-Lok brands. The manufacturer part number is 766L-SS-12MM X 1/4.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings like the 766L-SS-12MM X 1/4 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 HAM-LET fitting until it bottoms against the shoulder. Tighten the nut finger-tight, then use a wrench to turn 1-1/4 turns for 12 mm OD tubing. This creates a secure double-ferrule grip without over-torquing. Always follow manufacturer guidelines.

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: 16 mm OD x 3/4 in Pipe Fitting Size, Compression x MNPT (MPN 769L SS 16MMX 3/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 16 mm OD x 3/4 in Pipe.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 3/8 X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 3/8 X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 1/2 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 763L SS 1/2 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Ferrule: 3/8 in OD Fitting Size, Compression, Stainless Steel, 10 PK (MPN 760LS SS 3/8-10PK). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Nut: 5/16 in OD Fitting Size, Compression, Stainless Steel (MPN 761L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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