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HAM-LET Compression Fitting Plug: 8 mm OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Plug: 8 mm OD Fitting Size, Compression

The HAM-LET Compression Fitting Plug is a double-ferrule stainless steel fitting from the LETLOK series, designed for 8 mm OD tubing. It is compatible with Let-Lok fitting brands and is identified by MPN 7121L-SS-8MM.

SKU 3G-OTH-471340

Brand
HAM-LET
Item
Compression Fitting Plug: 8 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-8MM
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 is a double-ferrule stainless steel fitting from the LETLOK series, designed for 8 mm OD tubing. It is compatible with Let-Lok fitting brands and is identified by MPN 7121L-SS-8MM.

Frequently Asked Questions

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

A HAM-LET compression fitting plug seals the end of a tube in a double-ferrule stainless steel system. It is used in instrumentation, hydraulic, and pneumatic applications where a leak-tight closure is required on 8 mm OD tubing, such as in process control panels and chemical plants.

What are the specifications of the HAM-LET 7121L-SS-8MM plug?

The HAM-LET 7121L-SS-8MM is a double-ferrule compression plug from the LETLOK series. It is made of stainless steel, fits 8 mm OD tubing, and is compatible with Let-Lok fitting brands. The manufacturer part number is 7121L-SS-8MM.

Where to buy HAM-LET compression fittings in worldwide?

3G Electric supplies HAM-LET compression fittings, including the 7121L-SS-8MM plug, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this double-ferrule stainless steel fitting.

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

To install a HAM-LET double-ferrule plug, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten an additional 1-1/4 turns for 8 mm OD tubing. Always follow the manufacturer's torque specifications to ensure a leak-free seal.

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: 1/2 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 768L SS 1/2 X 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Cross Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD x 3/8 in OD Fitting Size (MPN 7102L SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Cross Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD x 3/8 in OD Fitting Size (MPN 7102L SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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