HAM-LET Compression Fitting Plug: 3 mm OD Fitting Size, Compression
The HAM-LET Compression Fitting Plug (MPN 7121L SS 3 MM) is a double-ferrule stainless steel fitting for 3 mm OD tubing. It is compatible with Swagelok brand fittings, enabling reliable sealing in instrumentation and…
SKU 3G-OTH-471555
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Product Description
The HAM-LET Compression Fitting Plug (MPN 7121L SS 3 MM) is a double-ferrule stainless steel fitting for 3 mm OD tubing. It is compatible with Swagelok brand fittings, enabling reliable sealing in instrumentation and process 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 3 mm OD tube in instrumentation and process systems. It is compatible with Swagelok brand fittings and provides reliable leak-tight sealing in high-pressure fluid or gas lines.
What are the specifications of the HAM-LET 7121L SS 3 MM plug?
The HAM-LET 7121L SS 3 MM is a double-ferrule compression fitting plug for 3 mm OD tubing. It is made of stainless steel and is compatible with Swagelok brand fittings. The part number is 7121L SS 3 MM.
Where to buy HAM-LET compression fittings worldwide?
3G Electric supplies HAM-LET compression fittings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 7121L SS 3 MM plug.
How to install a HAM-LET double-ferrule compression fitting?
Insert the tube fully into the fitting, hand-tighten the nut, then use a wrench to tighten 1-1/4 turns for 3 mm OD tubing. Always follow the manufacturer's instructions for proper ferrule seating and leak-free performance.
Used in
Common applications for HAM-LETHAM-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.









