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The Ultimate 398pd-6-4 By Parker | Poly-tite Fittings | Double End Shutoff Pipe Connector Quick Coupler | 3/8" Tube Od Connector X 1/4" Male Pipe Thread X 3/8" Thread | 5/8" Hex | 2.88" Length | Straight | Chrome Plated Brass | Pack Of 5 Special Discount [neiUg8VW]

$41.99 $134.99 -69%

398PD-6-4 Parker Poly-Tite Fittings Quick CouplerIntroducing the Parker Poly-Tite Fittings 398PD-6-4 Double End Shutoff Pipe Connector Quick Coupler, a versatile and durable solution for various industrial applications. This high-quality connector is

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The Ultimate 398pd-6-4 By Parker | Poly-tite Fittings | Double End Shutoff Pipe Connector Quick Coupler | 3/8" Tube Od Connector X 1/4" Male Pipe Thread X 3/8" Thread | 5/8" Hex | 2.88" Length | Straight | Chrome Plated Brass | Pack Of 5 Special Discount [neiUg8VW]

398PD-6-4 Parker Poly-Tite Fittings Quick Coupler

Introducing the Parker Poly-Tite Fittings 398PD-6-4 Double End Shutoff Pipe Connector Quick Coupler, a versatile and durable solution for various industrial applications. This high-quality connector is designed for quick and secure connections in environments where reliability is paramount. With its robust construction and easy-to-use features, the 398PD-6-4 stands out as a reliable choice for professionals in the field.

Key Product Features

Experience the exceptional features of the 398PD-6-4 with its self-aligning captive sleeve, which ensures precise and secure connections every time. The built-in tube support provides additional stability, while the knurled nuts offer convenient hand tightening. To further enhance its performance, the connector comes with plastic and brass sleeves, and you can choose between chrome plated and stainless steel side latch couplers. These features make the 398PD-6-4 a versatile and robust option for a wide range of applications.

Applications and Markets

The 398PD-6-4 is a versatile tool that finds its place in numerous markets, including dental, packaging, machine tools, car wash, and printing. Its applications are equally diverse, covering pneumatic systems, water lines, and dental equipment. With a pressure range of up to 150 PSI and a temperature range of 0° to +150° F, this connector is built to withstand challenging conditions. Compatible with polyethylene, nylon, polypropylene, and vinyl tubing, the 398PD-6-4 is the ideal choice for professionals seeking a reliable and efficient solution.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

This is an item I'd be proud to give as a gift. It's that nice.

- Everleigh I..

January 17, 2026

Absolutely no complaints!

It's so well made, I expect it to last for a very long time.

- Jonathan F..

January 17, 2026

Absolutely no complaints!

This product is a great example of quality and value.

- Cruz L..

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