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HAM-LET Let-Lok Double-Ferrule Stainless Steel Tube Fitting Adapter - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Let-Lok Double-Ferrule Stainless Steel Tube Fitting Adapter

The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, type Tube x MNPT, in the Let-Lok series. It adapts from 5/16 in OD tube to a 1/4 in pipe fitting size (MPN 769L SS 5/16X 1/4) and…

SKU 3G-OTH-471590

Also listed as: 769LSS516X14 · 769L SS 5 16X 1 4 · 769L-SS-5-16X-1-4

Brand
HAM-LET
Item
Let-Lok Double-Ferrule Stainless Steel Tube Fitting Adapter
Category
Double-Ferrule Stainless Steel Fittings
Available to Order
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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.

Technical Specifications

HAM-LET
Manufacturer Part Number
769L SS 5/16X 1/4
Series
Let-Lok
Type
Tube x MNPT
Compatible Fitting Brands
Swagelok

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, type Tube x MNPT, in the Let-Lok series. It adapts from 5/16 in OD tube to a 1/4 in pipe fitting size (MPN 769L SS 5/16X 1/4) and is compatible with Swagelok fitting brands.

Frequently Asked Questions

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

This HAM-LET double-ferrule stainless steel adapter connects 5/16 in OD tubing to a 1/4 in male NPT pipe port. It is used in instrumentation, hydraulic, and process systems where leak-tight, vibration-resistant connections are required. The Let-Lok series is compatible with Swagelok fittings.

What are the specifications of the HAM-LET 769L SS 5/16X 1/4?

This HAM-LET compression fitting adapter is a Tube x MNPT type in the Let-Lok series. It has a 5/16 in OD tube size and a 1/4 in pipe fitting size. The manufacturer part number is 769L SS 5/16X 1/4. It is compatible with Swagelok fitting brands.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings, including the Let-Lok series, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this adapter or other industrial components across 14 departments.

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

Insert the tube fully into the fitting until it bottoms against the shoulder. Hand-tighten the nut, then use a wrench to tighten 1-1/4 turns for 5/16 in OD tubing. This creates a leak-tight seal. Always follow the manufacturer's instructions and use proper tube support to avoid damage.

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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