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HAM-LET Compression Fitting Union: 6 mm OD x 3/8 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Union: 6 mm OD x 3/8 in Pipe Fitting Size

The HAM-LET Compression Fitting Union is a double-ferrule stainless steel fitting with a 6 mm OD x 3/8 in pipe fitting size, configured as Compression x MNPT (MPN 774LM SS 6 MMX 3/8). It is compatible with Swagelok…

SKU 3G-OTH-471917

Brand
HAM-LET
Item
Compression Fitting Union: 6 mm OD x 3/8 in Pipe Fitting Size
Category
Double-Ferrule Stainless Steel Fittings
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Technical Specifications

HAM-LET
Manufacturer Part Number
774LM SS 6 MMX 3/8
Type
Compression x MNPT
Compatible Fitting Brands
Swagelok
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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 6 mm OD x 3/8 in pipe fitting size, configured as Compression x MNPT (MPN 774LM SS 6 MMX 3/8). It is compatible with Swagelok fitting brands, supporting reliable connections in industrial systems.

Frequently Asked Questions

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

A HAM-LET compression fitting union connects tubing to a male NPT port in industrial fluid and gas systems. Its double-ferrule design provides a leak-tight seal, making it suitable for instrumentation, chemical processing, and hydraulic applications where reliable connections are critical.

What are the specifications of the HAM-LET 774LM SS 6 MMX 3/8?

This HAM-LET compression fitting union has a 6 mm OD tube size and a 3/8 in male NPT pipe thread. It is a double-ferrule stainless steel fitting, compatible with Swagelok brands. The manufacturer part number is 774LM SS 6 MMX 3/8.

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 facility. Contact us for pricing and lead time on the 774LM SS 6 MMX 3/8 union.

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

Insert the tube fully into the fitting until it bottoms out. Tighten the nut finger-tight, then use a wrench to turn the nut 1-1/4 turns past finger-tight for standard wall tubing. Always follow the manufacturer's torque guidelines to avoid over-tightening and ensure a leak-free seal.

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: 16 mm OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 768L SS 16MMX 3/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Elbow: 6 mm OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 769L-SS-6MM X 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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HAM-LET Compression Fitting Ferrule: 1 in OD Fitting Size, Compression, Stainless Steel (MPN 760LF SS 1). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/4 in OD x 3/4 in Pipe Fitting Size, Tube x ORB (MPN 768LOB SS 3/4 X 3/4-16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 3/4 in OD x 3/4 in Pipe.
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HAM-LET Compression Fitting Adapter: 3/4 in OD x 3/4 in Pipe Fitting Size, Tube x ORB (MPN 768LOB SS 3/4 X 3/4-16). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 3/4 in OD x 3/4 in Pipe.
HAM-LET Compression Fitting Adapter: 5/16 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LT SS 5/16X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 5/16 in OD x 3/8 in OD Fitting Size, Tube x Tube (MPN 767LT SS 5/16X 3/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 1/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Fitting Size, Tube x FNPT (MPN 770L SS 1/8 X 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
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HAM-LET Compression Fitting Elbow: 1/4 in OD x 1/4 in OD Fitting Size, Compression x Compression (MPN 765L SS 1/4). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
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