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Four stainless steel quick-connect fittings, silver 1/4 inch NPT threads, 5000 PSI rating

NSI

NSI YDF03293694 4Pcs 1/4 Inch Stainless Steel Pressure Washer Quick Connect Kit 5000 PSI

SKU CH-SECQ-DHJRV MPN YDF03293694

Four-piece stainless-steel quick-connect kit fits 1/4-inch NPT threads and handles up to 5000 PSI on hot or cold pressure washers

  • Product dimensions1/4 in
  • Stainless steel construction resists corrosion for long service life
  • 1/4" NPT threads create a secure leak-proof seal
  • Rated for 5000 PSI to handle demanding cleaning tasks
  • Quick-connect design allows fast tool-free hose changes
  • Four-piece kit covers male and female adapter needs

Stainless Steel Quick-Connect Kit

This four-piece kit supplies stainless steel couplers and plugs for 1/4-inch pressure-washer connections. It is built for professionals and DIY users who need durable, leak-free fittings on hot or cold water machines.

Pressure Rating and Leak-Free Threads

Each fitting is rated to 5000 PSI and uses precision 1/4-inch NPT threads to seal without leaks. The stainless steel construction resists corrosion and handles high-pressure flow without deforming or adding noise.

1/4-Inch NPT Thread Compatibility

The decisive specification is the 1/4-inch NPT thread size; only equipment with matching ports will connect directly. Buyers whose pressure washers or hoses use a different thread standard cannot use this kit without additional adapters.

How it compares

Measured against everything we stock in Pressure Washer Guns & Spare Parts, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 66% of the 141 comparable items (median $26.99).

Specifications

Product
Brand nameNSI
Model nameYDF03293694
Part numberN002788231
Size & build
Product dimensions1/4 in

Questions about this item

How do I install the 1/4 inch NPT threads without leaks?

Wrap PTFE tape clockwise on the male NPT threads, hand-tighten, then add one to two turns with a wrench; over-tightening cracks the stainless fitting and causes leaks.

When should I replace the O-rings inside the quick-connect sockets?

Replace the internal O-rings when water seeps at the socket-to-plug joint or the plug no longer locks with a firm click, typically after heavy seasonal use.

At what pressure does the 5000 PSI rating become the limiting factor during extended runs?

The 5000 PSI maximum is the first limit reached; sustained operation at or above this pressure can deform the stainless seats and cause permanent leakage.

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