A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA. If your drawings, BOMs or maintenance lists call out Parker A-Lok tube fittings, send us the part numbers and we'll quote the matching DK-Lok part, or Parker when your project requires it.
Are DK-Lok fittings interchangeable with Parker A-Lok?
Yes. DK-Lok tube fittings are 100% interchangeable and intermixable with Swagelok and Parker A-Lok, per the ASTM F1387 test report. Read the A-Lok interchangeability letter and the ASTM F1387 test report, or see the DK-Lok intermix test page.
How to switch from A-Lok part numbers
- Email your A-Lok part numbers or BOM to sales@abesttube.com, or call 310-833-3353.
- We match tube OD, configuration, end connections and material to the DK-Lok part.
- You get one quote with pricing and lead time. Unpriced items on our site say Request Quote.
Working from other brands too? Use our Swagelok part number cross reference.
Frequently asked questions
Can I mix DK-Lok and Parker A-Lok components in one fitting?
Yes. DK-Lok tube fittings are interchangeable and intermixable with Parker A-Lok, per the ASTM F1387 test report and the A-Lok interchangeability letter linked above.
Do you still sell Parker?
Yes. We quote the brand you ask for, and the DK-Lok equivalent where it fits your spec.
Do you have DFARS compliant fittings?
Yes. We supply DFARS compliant fittings and tubing for military applications. See our certifications.
Need Parker A-Lok equivalent fittings? Call 310-833-3353 or email sales@abesttube.com. 24/7 emergency: (310) 892-3503 or (310) 987-0192.
Request a Quote View Our Line CardParker, A-Lok and Swagelok are trademarks of their respective owners. A-Best Industrial Inc. Fittings, Valves, and Tubing is not affiliated with Parker Hannifin or Swagelok. Brand names are used only to identify compatible parts.