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HAM-LET Compression Fitting Adapter: 12 mm OD x 3/4 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Adapter: 12 mm OD x 3/4 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter (SKU 787XT1) is a double-ferrule stainless steel fitting, type Tube x MNPT, sized 12 mm OD x 3/4 in Pipe. It is compatible with Swagelok fitting brands and carries the…

SKU 3G-OTH-471235

Brand
HAM-LET
Item
Compression Fitting Adapter: 12 mm OD x 3/4 in Pipe Fitting Size
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
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Technical Specifications

HAM-LET
Manufacturer Part Number
739LM SS 12MMX 3/4
Type
Tube x MNPT
Fitting Size
12 mm OD x 3/4 in Pipe
Compatible Fitting Brands
Swagelok
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 (SKU 787XT1) is a double-ferrule stainless steel fitting, type Tube x MNPT, sized 12 mm OD x 3/4 in Pipe. It is compatible with Swagelok fitting brands and carries the manufacturer part number 739LM SS 12MMX 3/4.

Frequently Asked Questions

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

A HAM-LET compression fitting adapter connects 12 mm OD tubing to a 3/4 in male NPT threaded port. It is used in instrumentation, hydraulic, and process systems where a leak-tight, vibration-resistant seal is required. The double-ferrule design ensures reliable metal-to-metal grip on the tube.

What are the specifications of the HAM-LET 739LM SS 12MMX 3/4?

The HAM-LET 739LM SS 12MMX 3/4 is a double-ferrule stainless steel fitting, type Tube x MNPT. Fitting size is 12 mm OD x 3/4 in Pipe. It is compatible with Swagelok fitting brands. The manufacturer part number is 739LM SS 12MMX 3/4, SKU 787XT1.

Where to buy HAM-LET compression fittings in worldwide?

3G Electric supplies HAM-LET compression fittings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 739LM SS 12MMX 3/4 adapter. We source genuine HAM-LET parts for your application.

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

Insert the tube fully into the fitting until it bottoms against the shoulder. Hand-tighten the nut, then mark the nut position. Using two wrenches, tighten the nut 1-1/4 turns from hand-tight for 12 mm OD tubing. This swages the ferrules onto the tube. Do not over-tighten. Always follow HAM-LET installation 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: 3/8 in OD x 3/8 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 3/8 X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 5/16 in OD x 5/16 in OD Fitting Size, Tube x Tube (MPN 765L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 5/16 in OD x 5/16 in OD Fitting Size, Tube x Tube (MPN 765L SS 5/16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 3/8 X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 3/8 X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 1/2 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 3/8 X 1/2). 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 1/2 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 3/8 X 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Nut: 16 mm OD Fitting Size, Compression, Stainless Steel (MPN 761L SS 16MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Nut: 16 mm OD Fitting Size, Compression, Stainless Steel (MPN 761L SS 16MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Tube x MNPT (MPN 768L SS 1/4 X 1/2 TC). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Tube x MNPT (MPN 768L SS 1/4 X 1/2 TC). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 10 mm OD x 3/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 10MMX 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 10 mm OD x 3/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 10MMX 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/4 in Pipe Fitting Size, Tube x FNPT (MPN 766L SS 1/2 X 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 1/2 in OD x 3/4 in Pipe.
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