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ARO Series
1/4" Body Size • 3/8" Body Size
ARO Series couplers are available in 1/4" and 3/8" body; some with automatic one hand connect, and interchange fully with all ARO interchange couplers. The body is either plated steel, brass or select stainless steel plugs. Couplers come with all stainless components.
Click on any of the part numbers to request a quote.
210 Sockets (Valved)
| FNPT | Thread | Standard | Stainless Stee | Sleeve Guard |
 |
1/8" | 210-FA1 | 210-FA1-SS | N/A |
| 1/4" | 210-FA2 | 210-FA2-SS | 210-FA2-SG | |
| 3/8" | 210-FA3 | 210-FA3-SS | N/A |
| MNPT | Thread | Standard | Stainless Steel | Sleeve Guard |
 |
1/8" | 210-MA1 | 210-MA1-SS | N/A |
| 1/4" | 210-MA2 | 210-MA2-SS | 210-MA2-SG | |
| 3/8" | 210-MA3 | 210-MA3-SS | N/A |
| HOSE BARB | Hose I.D. | Standard | Stainless Steel | Sleeve Guard |
 |
1/4" | 210-SA2 | 210-SA2-SS | N/A |
| 5/16" | 210-SA25 | N/A | 210-SA2-SG | |
| 3/8" | 210-SA3 | 210-SA3-SS | N/A |
| PL HOSE BARB | Hose I.D. | Standard | Stainless Steel |
 |
1/4" | 210-SA2-PL | 210-SA2-PL-SS |
| 5/16" | N/A | N/A | |
| 3/8" | 210-SA3-PL | 210-SA3-PL-SS |
| REUSABLE | I.D. x O.D. | Standard | Stainless Steel |
 |
3/16" x 3/8" | 210-RKA1 | N/A |
| 1/4" x 1/2" | 210-RKA2 | N/A | |
| 1/4" x 9/16" | 210-RKA15 | N/A | |
| 1/4" x 5/8" | 210-RKA27 | N/A | |
| 5/16" x 5/8" | 210-RKA25 | N/A | |
| 3/8" x 5/8" | 210-RKA37 | N/A | |
| 3/8" x 11/16" | 210-RKA38 | N/A | |
| 3/8" x 3/4" | 210-RKA3 | N/A |
210 Plugs (Unvalved)
| FNPT | Thread | Standard | Stainless Steel |
 |
1/8" | N/A | N/A |
| 1/4" | 210-FPA2 | 210-FPA2-SS | |
| 3/8" | 210-FPA3 | N/A |
| MNPT | Thread | Standard | Stainless Steel |
 |
1/8" | 210-MPA1 | N/A |
| 1/4" | 210-MPA2 | 210-MPA2-SS | |
| 3/8" | 210-MPA3 | N/A |
| HOSE BARB | Hose I.D. | Standard | Stainless Steel |
 |
1/4" | 210-SPA2 | N/A |
| 5/16" | 210-SPA25 | N/A | |
| 3/8" | 210-SPA3 | N/A |
| PL HOSE BARB | Hose I.D. | Standard | Stainless Steel |
|
1/4" | 210-SPA2-PL | N/A |
310 Sockets (Valved)
| FNPT | Thread | Standard |
 |
1/4" | 310-FB2 |
| 3/8" | 310-FB3 | |
| 1/2" | 310-FB4 |
| MNPT | Thread | Standard |
 |
1/4" | 310-MB2 |
| 3/8" | 310-MB3 | |
| 1/2" | 310-MB4 |
| HOSE BARB | Hose I.D. | Standard |
 |
1/4" | 310-SB2 |
| 5/16" | 310-SB25 | |
| 3/8" | 310-SB3 | |
| 1/2" | 310-SB4 |
| PL HOSE BARB | Hose I.D. | Standard |
 |
1/4" | N/A |
| 3/8" | 310-SB3-PL | |
| 1/2" | 310-SB4-PL |
| REUSABLE | I.D. x O.D. | Standard |
 |
1/4" x 1/2" | 310-RKB2 |
| 1/4" x 9/16" | 310-RKB15 | |
| 1/4" x 5/8" | 310-RKB27 | |
| 3/8" x 5/8" | 310-RKB37 | |
| 3/8" x 11/16" | 310-RKB38 | |
| 3/8" x 3/4" | 310-RKB3 |
310 Plugs (Unvalved)
| FNPT | Thread | Standard |
 |
1/4" | N/A |
| 3/8" | 310-FPB3 | |
| 1/2" | N/A |
| MNPT | Thread | Standard |
 |
1/4" | N/A |
| 3/8" | 310-MPB3 | |
| 1/2" | N/A |
| HOSE BARB | Hose I.D. | Standard |
 |
1/4" | N/A |
| 3/8" | 310-SPB3 | |
| 1/2" | 310-SPB4 |
Socket: Seal Material: |
Valve Material: Socket Material: |
Plug Material: |