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HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/4 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 1/4 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting in a Tube x MNPT configuration, with a 3/8 in OD tube size and 1/4 in pipe fitting size. Part of the Let-Lok series (MPN 739LM SS…

SKU 3G-OTH-471568

Brand
HAM-LET
Item
Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size
Category
Double-Ferrule Stainless Steel Fittings
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Technical Specifications

HAM-LET
Manufacturer Part Number
739LM SS 3/8 X 1/4
Series
Let-Lok
Type
Tube x MNPT
Compatible Fitting Brands
Parker A-LOK
View Full Spec Sheet

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HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting in a Tube x MNPT configuration, with a 3/8 in OD tube size and 1/4 in pipe fitting size. Part of the Let-Lok series (MPN 739LM SS 3/8 X 1/4), it is compatible with Parker A-LOK fittings, providing a reliable connection for industrial fluid systems.

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 adapter used for?

This double-ferrule stainless steel adapter connects 3/8 in OD tubing to a 1/4 in male NPT port. It is used in industrial fluid systems for leak-tight sealing, high-pressure resistance, and vibration tolerance. HAM-LET's Let-Lok series ensures reliable performance in instrumentation, chemical, and hydraulic applications.

What are the specifications of the HAM-LET 739LM SS 3/8 X 1/4?

The HAM-LET 739LM SS 3/8 X 1/4 is a Tube x MNPT adapter from the Let-Lok series. It has a 3/8 in OD tube size and a 1/4 in pipe fitting size. Made of stainless steel with double-ferrule design, it is compatible with Parker A-LOK fittings for secure connections in fluid systems.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings, including the 739LM SS 3/8 X 1/4, to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this item.

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

To install, slide the nut and ferrules onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten 1-1/4 turns past hand-tight for proper ferrule swaging. Always follow manufacturer guidelines and use a tube cutter for a square end.

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 Elbow: 8 mm OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 769L SS 8 MMX 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 9/16 in OD x 9/16 in Pipe Fitting Size, Tube (MPN 739LTFL SS 3/8 X 3/8 BD). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 3/8 in OD x 9/16 in OD x 9/16 in Pipe.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 9/16 in OD x 9/16 in Pipe Fitting Size, Tube (MPN 739LTFL SS 3/8 X 3/8 BD). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 3/8 in OD x 9/16 in OD x 9/16 in Pipe.
HAM-LET Compression Fitting Plug: 5/16 in OD Fitting Size, Compression, Stainless Steel (MPN 7121L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Plug: 5/16 in OD Fitting Size, Compression, Stainless Steel (MPN 7121L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 1/4 X 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 1/4 X 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 3/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 3/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Elbow: 12 mm OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 769L-SS-12MM X 1/2). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
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HAM-LET Compression Fitting Elbow: 12 mm OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 769L-SS-12MM X 1/2). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 8 mm OD x 1/4 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 8 MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 8 mm OD x 1/4 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 8 MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Union: 10 mm OD x 10 mm OD Fitting Size, Compression x Compression (MPN 774L-SS-10MM). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
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HAM-LET Compression Fitting Union: 10 mm OD x 10 mm OD Fitting Size, Compression x Compression (MPN 774L-SS-10MM). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.