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PARKER Compression Fitting Cap: 1/4 in OD Size, 9/16"-18 Thread Size, O-Ring Face Seal - O-Ring Face Seal Steel Compression Fittings
PARKERO-Ring Face Seal Steel Compression Fittings

PARKER Compression Fitting Cap: 1/4 in OD Size, 9/16"-18 Thread Size, O-Ring Face Seal

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

Brand
PARKER
Item
Compression Fitting Cap: 1/4 in OD Size, 9/16"-18 Thread Size, O-Ring Face Seal
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
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

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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