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HAM-LET Let-Lok Double-Ferrule Stainless Steel Fitting: 1/4 in - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Let-Lok Double-Ferrule Stainless Steel Fitting: 1/4 in

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting in the Let-Lok series, configured as Tube x FNPT with a 1/4 in OD tube size and 1/8 in pipe fitting size (MPN 774LF SS 1/4 X 1/8)…

SKU 3G-OTH-471348

Also listed as: 774LFSS14X18 · 774LF SS 1 4 X 1 8 · 774LF-SS-1-4-X-1-8

Brand
HAM-LET
Item
Let-Lok Double-Ferrule Stainless Steel Fitting: 1/4 in
Part Number
774LF SS 1/4 X 1/8
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
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Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
Warning appliesProp 65 warning
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

HAM-LET
Manufacturer Part Number
774LF SS 1/4 X 1/8
Series
Let-Lok
Type
Tube x FNPT
Material
316 Stainless Steel
Shape
Bulkhead Straight
Hex Size
5/8 in
Standards
ASTM A276; ASTM A479; DIN EN10272
Application
Chemical
Thread Size
1/8-27
Catalog Page
N/A
Ferrule Type
Double Ferrule
Fitting Size
1/4 in OD x 1/8 in Pipe
Thread Size B
1/8-27
Connector Type
Adapter
For Media Type
Air; Chemicals; Gases; Non-Potable Water
Overall Length
1-27/32 in
Country of Origin
Israel (subject to change)
Temperature Range
-20 °F to 1,000 °F
System of Measurement
Imperial
Compatible Tube Hardness
90 HRB
Compatible Tube Material
Stainless Steel
Fitting Side B Pipe Size
1/8 in
Compatible Fitting Brands
Parker A-LOK; Swagelok
Maximum Operating Pressure
10,150 psi
Fitting Side A Connection Type
Tube
Fitting Side B Connection Type
FNPT
Fitting Side A Tube Outer Diameter
1/4 in

Technical Documents

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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 the Let-Lok series, configured as Tube x FNPT with a 1/4 in OD tube size and 1/8 in pipe fitting size (MPN 774LF SS 1/4 X 1/8). It is compatible with Swagelok fitting brands, providing a reliable connection for industrial tubing systems.

Frequently Asked Questions

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

The HAM-LET Let-Lok double-ferrule stainless steel adapter connects 1/4 in OD tubing to a 1/8 in FNPT port. It is used in industrial instrumentation, hydraulic, and pneumatic systems where a leak-tight, vibration-resistant seal is required. This adapter is compatible with Swagelok fittings for system integration.

What are the specifications of the HAM-LET 774LF SS 1/4 X 1/8?

This HAM-LET compression fitting adapter is a Tube x FNPT type in the Let-Lok series. It has a 1/4 in OD tube size and a 1/8 in pipe fitting size. The double-ferrule stainless steel design ensures reliable sealing. It is compatible with Swagelok fitting brands. MPN: 774LF SS 1/4 X 1/8.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET Let-Lok compression fittings, including the 774LF SS 1/4 X 1/8 adapter, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine parts and support your procurement needs across industries.

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

To install a HAM-LET Let-Lok double-ferrule fitting, insert the tube fully into the fitting until it bottoms on the shoulder. Tighten the nut finger-tight, then use a wrench to turn 1-1/4 turns for 1/4 in OD tubing. Always follow the manufacturer's torque guidelines and use proper tube support to avoid leaks.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET high-pressure needle valves and single-valve manifolds for wellhead control panels and sampling systems.
Chemical processing — Let-Lok double-ferrule fittings in 316L stainless steel for corrosive fluid transfer lines and dosing skids.
Semiconductor fabrication — HAM-LET diaphragm valves and high-purity fittings for ultrapure water and specialty gas delivery.
Analytical instrumentation — HAM-LET metering valves and compression fittings for GC, HPLC, and mass spectrometry sample handling.
Power generation — HAM-LET ball valves and manifolds for steam and water sampling in boiler and turbine systems.
Research laboratories — HAM-LET needle valves and tube adapters for bench-scale gas and liquid flow control rigs.
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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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