We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
HAM-LET Compression Fitting Plug: 3/4 in OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Plug: 3/4 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 3/4 in OD tubing (MPN 7121L SS 3/4). It is compatible with Swagelok systems, providing a reliable seal…

SKU 3G-OTH-471695

Brand
HAM-LET
Item
Compression Fitting Plug: 3/4 in OD Fitting Size, Compression
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HAM-LET
Manufacturer Part Number
7121L SS 3/4
Series
Let-Lok
Type
Compression, Stainless Steel
Compatible Fitting Brands
Swagelok
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 3/4 in OD tubing (MPN 7121L SS 3/4). It is compatible with Swagelok systems, providing a reliable seal in industrial fluid-handling applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 used across machining, instrumentation, and process control applications to prevent leakage and maintain system integrity.

What are the specifications of the HAM-LET 7121L SS 3/4?

The HAM-LET 7121L SS 3/4 is a double-ferrule stainless steel compression plug from the Let-Lok series. It fits 3/4 in OD tubing and is compatible with Swagelok systems, providing a reliable seal in high-pressure fluid lines.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings worldwide. We handle full logistics and customs clearance to deliver the 7121L SS 3/4 plug and other Let-Lok series components to your facility, regardless of location.

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

Insert the tubing fully into the fitting, then tighten the nut finger-tight. Use a wrench to turn the nut 1-1/4 turns past finger-tight for proper ferrule swaging. Always follow the manufacturer's torque specifications for leak-free performance.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from HAM-LET

View all HAM-LET parts →
HAM-LET Compression Fitting Adapter: 12 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-12MM X 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 12 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-12MM X 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Tee Fitting: 8 mm OD x 8 mm OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 772LF SS 8 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Tee Fitting: 8 mm OD x 8 mm OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 772LF SS 8 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 10 mm OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-10MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 10 mm OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-10MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 12 mm OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 768L-SS-12MM X 3/8). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 12 mm OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 768L-SS-12MM X 3/8). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Cross Fitting: 1 in OD x 1 in OD x 1 in OD x 1 in OD Fitting Size (MPN 7102L SS 1). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Cross Fitting: 1 in OD x 1 in OD x 1 in OD x 1 in OD Fitting Size (MPN 7102L SS 1). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/4 in OD Fitting Size, Tube x Tube (MPN 767LM SS 3/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/4 in OD Fitting Size, Tube x Tube (MPN 767LM SS 3/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 5/8 in OD x 5/8 in OD Fitting Size, Tube x Tube (MPN 765L SS 5/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 5/8 in OD x 5/8 in OD Fitting Size, Tube x Tube (MPN 765L SS 5/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Cap: 8 mm OD Fitting Size, Compression, Stainless Steel (MPN 7108L-SS-8MM). Key specifications — Series: LETLOK; Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Cap: 8 mm OD Fitting Size, Compression, Stainless Steel (MPN 7108L-SS-8MM). Key specifications — Series: LETLOK; Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.