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HAM-LET Compression Fitting Plug: 12 mm OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Plug: 12 mm OD Fitting Size, Compression

The HAM-LET Compression Fitting Plug (MPN 7121L-SS-12MM) is a double-ferrule stainless steel fitting in the LETLOK series, designed for 12 mm OD tubing. It is compatible with Let-Lok fitting brands, providing a…

SKU 3G-OTH-471238

Brand
HAM-LET
Item
Compression Fitting Plug: 12 mm OD Fitting Size, Compression
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
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Technical Specifications

HAM-LET
Manufacturer Part Number
7121L-SS-12MM
Series
LETLOK
Type
Compression, Stainless Steel
Compatible Fitting Brands
Let-Lok
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HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Compression Fitting Plug (MPN 7121L-SS-12MM) is a double-ferrule stainless steel fitting in the LETLOK series, designed for 12 mm OD tubing. It is compatible with Let-Lok fitting brands, providing a reliable seal in industrial fluid systems.

Frequently Asked Questions

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

A HAM-LET compression fitting plug seals the end of a 12 mm OD tube in industrial fluid systems. It is part of the LETLOK series and uses a double-ferrule design for a reliable, leak-tight connection in applications such as instrumentation, chemical processing, and hydraulic lines.

What are the specifications of the HAM-LET 7121L-SS-12MM?

The HAM-LET 7121L-SS-12MM is a stainless steel compression fitting plug from the LETLOK series. It fits 12 mm OD tubing, uses a double-ferrule design, and is compatible with Let-Lok fitting brands. The material is stainless steel, ensuring corrosion resistance in demanding environments.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings like the 7121L-SS-12MM to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this LETLOK series plug for 12 mm OD tubing.

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

To install a HAM-LET double-ferrule fitting, slide the nut and ferrules onto the tube, insert the tube fully into the fitting body, then tighten the nut to the manufacturer's recommended torque. Over-tightening can damage the seal. Always use the correct tubing size—12 mm OD for this plug.

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 Tee Fitting: 14 mm OD x 14 mm OD x 14 mm OD Fitting Size, Stainless Steel (MPN 764L SS 14MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Tee Fitting: 14 mm OD x 14 mm OD x 14 mm OD Fitting Size, Stainless Steel (MPN 764L SS 14MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Tee Fitting: 5/16 in OD x 5/16 in OD x 5/16 in OD Fitting Size, Stainless Steel (MPN 764L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Tee Fitting: 12 mm OD x 12 mm OD x 1/4 in Pipe Fitting Size, Stainless Steel (MPN 772LF SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 12 mm OD x 12 mm OD x 1/4 in Pipe.
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