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: 3/8 in OD x 1/8 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/8 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, type Tube x MNPT, in the Let-Lok series. It connects 3/8 in OD tubing to a 1/8 in pipe fitting size (MPN 739LM SS 3/8 X 1/8) and is…

SKU 3G-OTH-471516

Brand
HAM-LET
Item
Compression Fitting Adapter: 3/8 in OD x 1/8 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
739LM SS 3/8 X 1/8
Series
Let-Lok
Type
Tube x MNPT
Compatible Fitting Brands
Parker A-LOK
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 MNPT, in the Let-Lok series. It connects 3/8 in OD tubing to a 1/8 in pipe fitting size (MPN 739LM SS 3/8 X 1/8) and is compatible with Parker A-LOK fittings.

Frequently Asked Questions

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

A HAM-LET compression fitting adapter connects 3/8 in OD tubing to a 1/8 in male NPT pipe thread. It is used in instrumentation, hydraulic, and pneumatic systems to transition from tube to pipe, ensuring a leak-tight seal in high-pressure applications.

What are the specifications of the HAM-LET 739LM SS 3/8 X 1/8?

The HAM-LET 739LM SS 3/8 X 1/8 is a double-ferrule stainless steel fitting from the Let-Lok series. It has a tube size of 3/8 in OD and a pipe fitting size of 1/8 in, with a Tube x MNPT connection type. It is compatible with Parker A-LOK fittings.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine HAM-LET Let-Lok fittings, including the 739LM SS 3/8 X 1/8 adapter, to your facility.

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

To install a HAM-LET double-ferrule fitting, 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 3/8 in OD tubing. Always follow manufacturer guidelines to avoid over-tightening and 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.

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: 20 mm OD x 22 mm OD Fitting Size, Compression x Compression (MPN 767LT SS 20MMX22MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 20 mm OD x 22 mm OD.
HAM-LET
HAM-LET Compression Fitting Adapter: 20 mm OD x 22 mm OD Fitting Size, Compression x Compression (MPN 767LT SS 20MMX22MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 20 mm OD x 22 mm OD.
HAM-LET Compression Fitting Union: 16 mm OD x 10 mm OD Fitting Size, Compression x Compression (MPN 763L SS 16MMX10MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Union: 16 mm OD x 10 mm OD Fitting Size, Compression x Compression (MPN 763L SS 16MMX10MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 767LT 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 Fitting Adapter: 1/8 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 767LT 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: 4 mm OD x 1/4 in Pipe Fitting Size, Compression x FBSPP (MPN 766LG SS 4 MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 4 mm OD x 1/4 in Pipe Fitting Size, Compression x FBSPP (MPN 766LG SS 4 MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Tube x FNPT (MPN 766L SS 1/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Tube x FNPT (MPN 766L SS 1/8 X 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Ferrule: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 760LF SS 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Ferrule: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 760LF SS 1/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 6 mm OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-6MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 6 mm OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L-SS-6MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 768L SS 5/8 X 1/2). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 768L SS 5/8 X 1/2). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.