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PARKER 4 FNL-S O-Ring Face Seal Steel Compression Fitting Cap, 9/16"-18 Thread - O-Ring Face Seal Steel Compression Fittings
PARKERO-Ring Face Seal Steel Compression Fittings

PARKER 4 FNL-S O-Ring Face Seal Steel Compression Fitting Cap, 9/16"-18 Thread

The PARKER Compression Fitting Cap (MPN 4 FNL-S) is an O-Ring Face Seal Steel fitting from the Seal-Lok series, designed for 1/4 in OD tubing with a 9/16"-18 thread size. This cap provides a reliable seal in…

SKU 3G-OTH-470494

Also listed as: 4FNLS · 4 FNL S · 4-FNL-S

Brand
PARKER
Item
4 FNL-S O-Ring Face Seal Steel Compression Fitting Cap, 9/16"-18 Thread
Part Number
4 FNL-S
Category
O-Ring Face Seal Steel Compression Fittings
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Technical Specifications

PARKER
Manufacturer Part Number
4 FNL-S
Series
Seal-Lok
Type
O-Ring Face Seal, Steel
Thread Size
9/16"-18

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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Cap (MPN 4 FNL-S) is an O-Ring Face Seal Steel fitting from the Seal-Lok series, designed for 1/4 in OD tubing with a 9/16"-18 thread size. This cap provides a reliable seal in hydraulic and pneumatic systems, backed by PARKER's engineering expertise.

Frequently Asked Questions

What is a PARKER Seal-Lok compression fitting cap used for?

The PARKER Seal-Lok compression fitting cap (MPN 4 FNL-S) seals the end of a hydraulic or pneumatic line, preventing leaks in high-pressure fluid systems. It is commonly used in industrial machinery, mobile equipment, and process piping where reliable O-ring face seal connections are required.

What are the specifications of the PARKER 4 FNL-S compression fitting cap?

This PARKER Seal-Lok cap is an O-ring face seal steel fitting for 1/4 in OD tubing with a 9/16"-18 thread size. It is made from steel for durability in hydraulic and pneumatic systems. The part number is 4 FNL-S, from the Seal-Lok series by PARKER.

Where to buy PARKER Seal-Lok compression fitting caps worldwide?

3G Electric supplies PARKER Seal-Lok compression fitting caps like the 4 FNL-S to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other PARKER hydraulic fittings.

How to install a PARKER O-ring face seal compression fitting cap?

To install a PARKER Seal-Lok cap, ensure the O-ring is seated and the mating surface is clean. Hand-tighten the cap onto the male thread, then use a wrench to torque to PARKER's recommended specification. Avoid over-tightening to prevent O-ring damage. Always follow system pressure guidelines.

Used in

Common applications for PARKER
Industrial hydraulic presses — Parker D1VW directional control valves for precise flow direction
Injection molding machines — Parker solenoid coils and valves for cycle control
Material handling equipment — Parker hydraulic hose fittings and plugs for leak-free connections
High-pressure hydraulic systems — Parker extreme-pressure pipe fittings rated to 6,400 psi
Hydraulic filtration — Parker WPF Series filter elements for 5-micron contamination control
Pneumatic instrumentation — Parker A-Lok compression fittings for tubing connections
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PARKER Products

3G Electric supplies PARKER o-ring face seal steel compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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