Home > Air Hose, Fittings, & Accessories > Couplers & Connectors
We stock many Couplers and Connectors for air hose ranging from Automotive Interchange, Industrial Interchange, Aro Interchange, Automotive Tru-Flate Interchange, and many more.


Industrial Supply offers a multitude of items ranging from camlocks, hydraulic hose, industrial hose, pipe fittings, hydraulic quick couplers, gauges, and many more industrial type products. If you see something on the site that you would like to know more about, or if there is something that you were looking for in particular that’s not on the site, please contact us at (360) 734-6330 and we’ll be there to help you as we pride ourselves with “Service Being Our Most Important Product”.

Automotive True-Flate Interchange Couplers & Connectors Industrial Interchange Couplers & Connectors Steel Couplers
We stock many Automotive True-Flate Interchange Couplers & Connectors in sizes from 1/8" to 3/8".
We stock many Industrial Interchange Couplers & Connectors in sizes from 1/8" to 3/8".
We stock Steel Couplers in sizes of 1/4"
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1/4" Body Size - Industrial Interchange Coupler - FPT 1/4" Body Size - Industrial Interchange Coupler - FPT

1/4" industrial interchange coupler, 1/4" FPT. Manual couplers offer a durable connection with years of service. These couplers are engineered to interchange with the industrial interchange designs of all manufactures.


1/4" Body Size - Industrial Interchange Connector - MPT 1/4" Body Size - Industrial Interchange Connector - MPT

1/4" Industrial connector, 1/4" MPT. These connectors are machined from steel, then plated to provide years of service. Steel connectors offer a harder sealing surface that is more resistant to dings and scratched. These connectors are engineered to interchange with the industrial interchange designs of all manufactures.

1/4" Body Size - Industrial Interchange Connector - FPT 1/4" Body Size - Industrial Interchange Connector - FPT

1/4" industrial interchange connector, 1/4" FPT. These connectors are machined from steel, then plated to provide years of service. Steel connectors offer a harder sealing surface that is more resistant to dings and scratches. These connectors are engineered to interchange with the industrial interchange designs of all manufactures.

1/4" Body Size - Industrial Interchange Connector - Hose Barb 1/4" Body Size - Industrial Interchange Connector - Hose Barb

1/4" industrial interchange connector, 1/4" ID hose. These connectors are machined from steel then plated to provide years of service. Steel connectors offer a harder sealing surface that is more resistant to dings and scratches. These connectors are engineered to interchange with the industrial interchange designs of all manufactures.

1/4" Body Size - Industrial Interchange Connector - ID Lock On 1/4" Body Size - Industrial Interchange Connector - ID Lock On

1/4" body size industrial interchange connector, 1/4" ID lock on. These connectors are machined from steel, then plated to provide years of service. Steel connectors offer a harder sealing surface that is more resistant to dings and scratches. These connectors are engineered to interchange with the industrial interchange designs of all manufactures.

1/4" Body Size - Industrial Coupler - Male NPT 1/4" Body Size - Industrial Coupler - Male NPT

1/4" body size industrial interchange coupler, 1/4" male NPT. Manual couplers offer a durable connection with years of service. These couplers are engineered to interchange with the industrial interchange designs of all manufactures.