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HAM-LET Compression Fitting Union: 1/4 in OD x 1/4 in OD Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Union: 1/4 in OD x 1/4 in OD Fitting Size

The HAM-LET Compression Fitting Union is a double-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in OD fitting size, compression x compression type (MPN 774L SS 1/4). It is compatible with Let-Lok fitting brands.

SKU 3G-OTH-471183

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

HAM-LET
Manufacturer Part Number
774L SS 1/4
Type
Compression x Compression
Compatible Fitting Brands
Let-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 Union is a double-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in OD fitting size, compression x compression type (MPN 774L SS 1/4). It is compatible with Let-Lok fitting brands.

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 union used for?

A HAM-LET compression fitting union connects two tubes of the same outer diameter in a leak-tight seal. It is used in instrumentation, hydraulic, and process systems where reliable, vibration-resistant joints are required. The double-ferrule design ensures secure metal-to-metal grip without damaging tubing.

What are the specifications of the HAM-LET 774L SS 1/4 compression fitting union?

The HAM-LET 774L SS 1/4 is a double-ferrule stainless steel compression union with 1/4 in OD x 1/4 in OD fitting size, compression x compression ends. It is compatible with Let-Lok fitting brands. The part number is 774L SS 1/4, and it is made by HAM-LET.

Where to buy HAM-LET compression fittings in 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 HAM-LET 774L SS 1/4 union or other Let-Lok compatible fittings.

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, then tighten the nut finger-tight. Mark the nut position, then tighten an additional 1-1/4 turns for 1/4 in OD tubing. Use proper tube support and avoid over-tightening to prevent ferrule damage. Always follow manufacturer 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: 12 mm OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 739LM SS 12MMX 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 14 mm OD x 1/2 in Pipe Fitting Size, Compression x FNPT (MPN 766L SS 14MMX 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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