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 Adapter: 3 mm 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 mm OD x 1/4 in Pipe Fitting Size

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting with a 3 mm OD tube size and 1/4 in FNPT pipe connection. This Compression x FNPT adapter (MPN 766L SS 3 MMX 1/4) is compatible with…

SKU 3G-OTH-471256

Brand
HAM-LET
Item
Compression Fitting Adapter: 3 mm OD x 1/4 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
766L SS 3 MMX 1/4
Type
Compression 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 with a 3 mm OD tube size and 1/4 in FNPT pipe connection. This Compression x FNPT adapter (MPN 766L SS 3 MMX 1/4) is compatible with Swagelok fitting brands, enabling reliable connections in 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?

A HAM-LET compression fitting adapter connects 3 mm OD tubing to a 1/4 in FNPT threaded port in industrial fluid systems. It is commonly used in instrumentation, chemical processing, and hydraulic applications where a leak-tight, vibration-resistant seal is required.

What are the specifications of the HAM-LET 766L SS 3 MMX 1/4?

The HAM-LET 766L SS 3 MMX 1/4 is a double-ferrule stainless steel compression x FNPT adapter. It has a 3 mm OD tube size and a 1/4 in female NPT pipe connection. It is compatible with Swagelok fitting brands for reliable sealing in high-pressure fluid systems.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 766L SS 3 MMX 1/4 adapter.

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 finger-tight. Mark the nut position, then tighten an additional 1-1/4 turns for 3 mm OD tubing. Always use a backup wrench on the body to prevent rotation.

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 Tee Fitting: 1/4 in OD x 1/8 in Pipe x 1/8 in OD Fitting Size, Stainless Steel (MPN 771LF SS 1/4 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 1/4 in OD x 1/8 in Pipe x 1/8 in OD.
HAM-LET
HAM-LET Compression Tee Fitting: 1/4 in OD x 1/8 in Pipe x 1/8 in OD Fitting Size, Stainless Steel (MPN 771LF SS 1/4 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET; Fitting Size: 1/4 in OD x 1/8 in Pipe x 1/8 in OD.
HAM-LET Compression Fitting Union: 3/8 in OD x 3/8 in OD Fitting Size, Compression x Compression (MPN 762L SS 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Union: 3/8 in OD x 3/8 in OD Fitting Size, Compression x Compression (MPN 762L SS 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 8 mm OD x 1/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 8 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 8 mm OD x 1/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 8 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/4 in OD x 3/4 in OD Fitting Size, Tube x Tube (MPN 774L SS 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 3/4 in OD x 3/4 in OD Fitting Size, Tube x Tube (MPN 774L SS 3/4). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Cross Fitting: 12 mm OD x 12 mm OD x 12 mm OD x 12 mm OD Fitting Size (MPN 7102L SS 12MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Cross Fitting: 12 mm OD x 12 mm OD x 12 mm OD x 12 mm OD Fitting Size (MPN 7102L SS 12MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Tee Fitting: 5/8 in OD x 5/8 in OD x 1/2 in Pipe Fitting Size, Stainless Steel (MPN 772L SS 5/8 X 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Tee Fitting: 5/8 in OD x 5/8 in OD x 1/2 in Pipe Fitting Size, Stainless Steel (MPN 772L SS 5/8 X 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Elbow: 3/4 in OD x 3/4 in OD Fitting Size, Compression x Compression (MPN 765L SS 3/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Elbow: 3/4 in OD x 3/4 in OD Fitting Size, Compression x Compression (MPN 765L SS 3/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/4 in OD x 1/2 in Pipe Fitting Size, Tube x FNPT (MPN 739LF SS 3/4 X 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 3/4 in OD x 1/2 in Pipe Fitting Size, Tube x FNPT (MPN 739LF SS 3/4 X 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.