Aluminum Locking 3" Female Camlock x 3" Male NPT (USA)

Item Number: DAL30F30MN
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$108.04
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Ships: Aug 11, 2026
Estimated transit time: 2 to 5 Business Days

Shipping Cost: Free on orders over $100

Help Me Connect

NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST.

  • The female side of a NH / NST coupling will only connect to a male NH / NST connection
  • The male side of a NH / NST coupling will only connect to a female NH / NST connection

NPSH: National Pipe Straight Hose (NPSH) or Iron Pipe Thread (IPT) has the same threads per inch (TPI) as National Pipe Tapered (NPT) but the thread does not taper. NPSH is a straight thread and seals by a gasket in the female coupling which allows for a swivel, just like NH / NST, which make both ideal for hose couplings.

  • The female side of a NPSH coupling will only connect to a male NPT pipe or a male NPSH connection
  • The male side of a NPSH coupling will only connect to a female NPSH connection.
    It will NOT thread into a female NPT pipe. For example, a male NPSH coupling will NOT thread into a female metal or pvc pipe.

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

 



 

Warranty Information

Limited 1-Year Camlock Warranty - We will replace any camlock fitting with manufacturer defects in material and workmanship. All warranty claims must be returned to us for inspection before we determine a solution.

Our warranty does not cover gaskets, multiple use of NPT threads, shipping cost, cosmetic damages, normal wear-and-tear, improper use or chemical damage.

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Additional Details

Global type "B" aluminum 3 inch female camlock (Cam & Groove) coupler to 3 inch male NPT threads.

Under no circumstances should cam and groove couplings be used for compressed air or steam service!

Connections

  • The female side of this adapter will only connect to 3 inch male camlock
  • The male threaded side of this adapter will only connect to a 3 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example, PVC or metal pipe fitting

Features
  • Resistant to accidental disconnection when dragged. The release lever opens in the direction opposite to the cam arm, so movements that tend to open the release lever also tend to close the cam arm.
  • Rotating action helps keep the locking device free of debris.
  • Designed to protect critical parts from impact and to withstand rugged use.
 
How It Works
  • To make a connection, simply slide the adapter into the coupler and with normal hand pressure, press the cam levers down.
  • Uncoupling is as quick and simple as coupling. Just lift the cam arms and remove the adapter.
  • No more fumbling with clamps, wire, clips or pins, just close the handles and the locking mechanism is engaged.
  • Extremely easy to open, the releaser lever is under your thumb when you want to open the fitting, ergonomic.
 
Note
If the rotating lever is not flush with the handle, it is not properly engaged.
 
Safety Notes
  • Under no circumstances should cam and groove couplings be used for compressed air or steam service!
  • Under no circumstances should the EZ Boss-Lock cam arms be used on any fitting not specifically designed for their use.
  • Pressure rating recommendations are based on the use of mating Dixon fittings at ambient temperature 70° with a standard seal installed. For use at elevated temperature or other unusual operating conditions, consult the factory.
 
WARNING: This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

Cam and Groove Couplings Industries

  • Steel foundries
  • Mines
  • Construction
  • Chemical
  • Petroleum
  • Sanitary
  • Government
  • Nuclear
  • Aviation
  • Marine
  • Rail
  • Storage
  • Dry bulk

Applications

  • Stainless Steel: Use with salt water, waste water, and many chemicals; can also be used with hydraulic oll and coolants
  • Aluminum: Use with water, hydraulic oil, coolants, gasoline, and petroleum products
  • Brass: Use with water, can also be used with hydraulic oil, coolants, gasoline, and petroleum products

Specifications

  • Made in USA
  • Body Material: Aluminum
  • Camlock (Cam & Groove) Size: 3 inch Female
  • Threaded Size: 3 inch Male NPT
  • Maximum Operating Pressure: 125 PSI
  • Seal: Nitrile Rubber Gasket
  • Type: "B" Quick Disconnect

Camlock Dimensions

  • Size: 3 inches (3.00)
  • Female Inside Diameter: 3 11/16 inches (3.661)

Download Spec Sheet

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