Dixon

1/2" Male NPT Straight-Thru Hydraulic Quick Plug, Foster FST / Dixon E-Series Interchange, Steel, 2,700 PSI | Dixon E4M4

$13.79 USD

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Sold and shipped by Industrial Supply World from our warehouse in Elgin, Illinois.

Low stock: 1 left

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The Dixon E4M4 is a 1/2" Male NPT Straight-Thru hydraulic quick connect plug with 1/2" Male NPT threads. It follows Foster FST / Dixon E-Series style straight-through, so it mates with any Straight-Thru coupler from Foster, Breco or Dixon. Steel body, unvalved straight-through flow, rated to 2,700 PSI and -40°F to +225°F.

1/2" Male Npt Straight-Thru Hydraulic Plug: Dixon E4M4 is the 1/2" Male NPT plug half of a Foster FST / Dixon E-Series style straight-through quick connect. Mates with any Straight-Thru coupler, including Foster FST, Breco ST and Dixon E-Series style.
Rated To 2,700 Psi: Steel body with unvalved straight-through flow. No valve means full flow and minimal pressure drop. Shut the line off before disconnecting.
1/2" Male Npt Thread: Threads straight onto 1/2" pipe or hose fittings. No adapter needed on most water, coolant and transfer lines.
Straight-Through Flow Path: Working temperature -40°F to +225°F with Buna-N seals. Push-to-connect sleeve with a ball-lock ring.

Not sure which interface or size you have? Email support@industrialsupplyworld.com with a photo of the mating half and we will match it.

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OUR VERDICT

A full-flow straight-thru quick-connect for lines where pressure drop matters more than shut-off: test ports, high-flow air, water and fluid transfer. Shut the supply off before disconnecting. Mates with Foster FST and Dixon E-Series halves of the same size.

WHAT WE LIKE

Full-bore flow, no valve to restrict the line
Foster FST and Dixon E-Series interchange
Brass or steel body, simple and rebuildable

WORTH NOTING

No shut-off: the line is open when disconnected
Only couples with same-size straight-thru halves

Specifications

Series	Straight-Thru (Foster FST / Dixon E interchange)
Temperature range	-40°F to 250°F
Max working pressure	2700 PSI
Interchange	Straight-Through
Component	Plug (nipple)
Body size	1/2"
Body material	Steel (zinc-plated)
Valving	Straight-through (unvalved)

Straight-ThroughFull interchange lookup →

Complete the connection

This is a plug (nipple) in the Straight-Through profile. It only mates with Straight-Through couplers (sockets) — any brand.

Shop matching couplers (sockets) →