Skip to the beginning of the images gallery

Aluminum Cam & Groove Adapter, Female Half, 4x3 Inch Reducer

Description & Features

Constructed from durable aluminum the 4x3 inch cam & groove adapter is designed for liquid applications. It features brass cam levers and plated steel pins rings and safety clips. The Buna-N seals ensure a reliable and effective seal. The safety clip feature on the female coupler prevents accidental disconnections enhancing operational safety. The adapter is compatible with all products adhering to standard A-A-59326 ensuring wide interchangeability. To use slide the adapter into the coupler and press the cam levers down to secure; lift the cam arms to release. Pressure ratings are 150 PSI for sizes 1/2 - 4 and 75 PSI for 5 - 8. **MPN:** RDA-A4030 **Supplier Part Number:** RDA-A4030

Specifications

Brand Kuriyama Of America Inc	Brand Kuriyama Of America	Pack Size 1.00	UOM EA	Features Safety Clip	Mfg. Name Kuriyama	Size 4x3	Supplier Part Number RDA-A4030	Alternate Part Numbers Alternate Part Number C1KN16	Product Weight 2.96 lbs

Similar Products

Model Number	Size	Features	Seal Material	Price	Action
RDA-A4030 Aluminum Cam & Groove Reducer	4x3	Safety Clip

Product Questions & Answers (3)

Question by: Rex S on Nov 25, 2025, 12:11 PM

safety clip on this thing, does it actually stop the coupler from coming loose on its own, or is it more of a backup if the cams slip?

Answer by: Customer Support on Nov 26, 2025, 12:58 PM

Those cast-in lugs on the female coupler let you run a safety pin through once the adapter is seated and the cam levers are pressed down. Until that pin gets pulled out, the coupler won't release. So it's not just a passive backup, it's a deliberate lock that has to be manually removed before anyone can uncouple it. Good feature to have on lines you don't want coming apart mid-operation.

Question by: Randy A on Nov 22, 2025, 7:39 PM

What kind of pressure can this handle, like if I'm really pushing it?

Answer by: Customer Support on Nov 24, 2025, 1:04 PM

These aluminum cam and groove reducers are rated to 150 PSI for the sizes 1/2" to 4". This 4x3 reducer falls within that range.

Question by: Floyd P on Dec 12, 2025, 7:49 AM

got a 4 inch cam lock coupler already. will this reducer adapter swap in and still match the standard stuff?

Answer by: Customer Support on Dec 14, 2025, 8:23 AM

On interchangeability, it is built to the A-A-59326 standard (also noted as compatible with DIN 2828), so it will interchange with other cam and groove products made to those same standards.