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
Also listed as: 4FNLS · 4 FNL S · 4-FNL-S
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
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 PARKERPARKER 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.
