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HAM-LET Compression Fitting Plug: 5/16 in OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Plug: 5/16 in OD Fitting Size, Compression

The HAM-LET Compression Fitting Plug is a double-ferrule stainless steel fitting in the Let-Lok series, sized for 5/16 in OD tubing (MPN 7121L SS 5/16). It is compatible with Swagelok systems, providing a reliable…

SKU 3G-OTH-471310

Brand
HAM-LET
Item
Compression Fitting Plug: 5/16 in 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 5/16
Series
Let-Lok
Type
Compression, Stainless Steel
Compatible Fitting Brands
Swagelok
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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 in the Let-Lok series, sized for 5/16 in OD tubing (MPN 7121L SS 5/16). It is compatible with Swagelok systems, providing a reliable seal in industrial fluid-handling applications.

Frequently Asked Questions

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

A HAM-LET compression fitting plug seals the end of a tubing run in industrial fluid-handling systems. It is commonly used in instrumentation, chemical processing, and hydraulic circuits where a leak-tight, vibration-resistant closure is required.

What are the specifications of the HAM-LET 7121L SS 5/16 plug?

The HAM-LET 7121L SS 5/16 is a double-ferrule compression plug from the Let-Lok series. It fits 5/16 in OD tubing, is made of stainless steel, and is compatible with Swagelok systems. It provides a reliable seal in high-pressure fluid applications.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings, including the 7121L SS 5/16 plug, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on your order.

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

Insert the tubing fully into the fitting body, then tighten the nut finger-tight. Mark the nut position, then tighten an additional 1-1/4 turns for 5/16 in OD tubing. Use a backup wrench on the body to prevent rotation. Always follow the manufacturer's torque 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: 18 mm OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 769L SS 18MMX 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Elbow: 4 mm OD x 1/8 in Pipe Fitting Size, Compression x MNPT (MPN 769L-SS-4MM X 1/8). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
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HAM-LET Compression Fitting Elbow: 4 mm OD x 1/8 in Pipe Fitting Size, Compression x MNPT (MPN 769L-SS-4MM X 1/8). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 7/8 in OD x 3/4 in Pipe Fitting Size, Tube x MNPT (MPN 768L SS 7/8 X 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 7/8 in OD x 3/4 in Pipe.
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HAM-LET Compression Tee Fitting: 3/4 in OD x 3/4 in OD x 3/4 in OD Fitting Size, Tube x Tube x Tube (MPN 764L SS 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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