Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, type Tube x FNPT, in the Let-Lok series. It connects 1/4 in OD tubing to a 1/2 in pipe fitting and is compatible with Swagelok…

SKU 3G-OTH-471983

Brand
HAM-LET
Item
Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size
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
739LF SS 1/4 X 1/2
Series
Let-Lok
Type
Tube x FNPT
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 Adapter is a double-ferrule stainless steel fitting, type Tube x FNPT, in the Let-Lok series. It connects 1/4 in OD tubing to a 1/2 in pipe fitting and is compatible with Swagelok brands. This adapter is sourced and quoted by 3G Electric across 14 industrial departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

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

A HAM-LET compression fitting adapter connects 1/4 in OD tubing to a 1/2 in pipe fitting using a double-ferrule design. It is used in industrial fluid systems requiring leak-tight connections, such as instrumentation, hydraulic, and pneumatic lines. 3G Electric supplies this adapter across 14 industrial departments.

What are the specifications of the HAM-LET 739LF SS 1/4 X 1/2?

The HAM-LET 739LF SS 1/4 X 1/2 is a double-ferrule stainless steel fitting in the Let-Lok series. It has a Tube x FNPT configuration, connecting 1/4 in OD tubing to a 1/2 in pipe fitting. It is compatible with Swagelok brands. 3G Electric sources and quotes this adapter globally.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source and quote genuine parts across 14 departments, including specialist expertise in combustion, pumps, and controls. Contact us for availability and lead time.

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

To install a HAM-LET double-ferrule compression fitting, insert the tube fully into the fitting, then tighten the nut finger-tight. Use a wrench to tighten an additional 1-1/4 turns for 1/4 in tubing. Avoid over-tightening to prevent damage. 3G Electric provides technical support for proper selection and installation.

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: 8 mm OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 768L-SS-8MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 8 mm OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 768L-SS-8MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/4 in Pipe Fitting Size, Tube x MNPT (MPN 769L SS 1/2 X 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 1/2 in OD x 3/4 in Pipe.
HAM-LET
HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/4 in Pipe Fitting Size, Tube x MNPT (MPN 769L SS 1/2 X 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 1/2 in OD x 3/4 in Pipe.
HAM-LET Compression Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 771L 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 Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 771L 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: 12 mm OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 12 mm OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 14 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 14MMX 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 14 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 14MMX 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LP SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LP SS 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Tee Fitting: 1/8 in OD x 1/8 in OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 772L SS 1/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Tee Fitting: 1/8 in OD x 1/8 in OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 772L SS 1/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 20 mm OD x 20 mm OD Fitting Size, Compression x Compression (MPN 767LP SS 20MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 20 mm OD x 20 mm OD Fitting Size, Compression x Compression (MPN 767LP SS 20MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.