HAM-LET Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size
The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, type Tube x MNPT, from the Let-Lok series. It accommodates a 1/4 in OD tube and a 1/4 in pipe fitting size (MPN 774LM SS 1/4 X 1/4)…
SKU 3G-OTH-471389
Need installation or engineering help?
Ask a question
Product Description
The HAM-LET Compression Fitting Adapter is a double-ferrule stainless steel fitting, type Tube x MNPT, from the Let-Lok series. It accommodates a 1/4 in OD tube and a 1/4 in pipe fitting size (MPN 774LM SS 1/4 X 1/4) and is compatible with Parker A-LOK fittings.
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 1/4 in OD tubing to a 1/4 in male NPT threaded port. It is used in instrumentation, hydraulic, and pneumatic systems where a leak-tight, vibration-resistant seal is required. The double-ferrule design ensures reliable metal-to-metal grip.
What are the specifications of the HAM-LET 774LM SS 1/4 X 1/4?
This HAM-LET adapter is a Tube x MNPT double-ferrule stainless steel fitting from the Let-Lok series. It fits 1/4 in OD tube and 1/4 in pipe size. The manufacturer part number is 774LM SS 1/4 X 1/4. It is compatible with Parker A-LOK fittings.
Where to buy HAM-LET compression fittings 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 774LM SS 1/4 X 1/4 adapter.
How to install a HAM-LET double-ferrule compression fitting?
Insert the tube fully into the fitting until it bottoms against the shoulder. Tighten the nut finger-tight, then use a wrench to tighten 1-1/4 turns for 1/4 in OD tubing. This creates a proper bite from the front ferrule and seal from the back ferrule. Do not overtighten.
Used in
Common applications for HAM-LETHAM-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.









