If you are seeking competitive procurement options for new, used, obsolete, or hard-to-find Circuit Brk products, turn to the expansive range of offerings featured on Aviation Sourcing Solutions. On this page, we have organized every Circuit Brk listing that we carry, including in-demand part numbers like 84400644, 84-401-615, 84404005, 84-400-045, 84-306-652, and many others. To promote a simplified search process, each product is presented alongside key details like manufacturer information, description, and availability status.
How to Secure Quotes on Desired Components
Request a Quote Online: Next to every listing is an “RFQ” button, which leads to a Request for Quote form that can be completed and submitted at any time with information on your needs. Within 15 minutes of our receipt and review, a member of our staff will reach out with tailored options for your consideration.
Contact Our Representatives: If you prefer to speak directly with our team to discuss pricing details, get in touch with us by phone or email to connect with an account manager.
Do You Have Special Requirements?
If you have a large parts list, pressing time constraints that require expedited shipping, or other unique fulfillment requests, our team is ready to provide solutions that are tailored to your needs whenever possible. Simply call or email us at your leisure to connect with a representative who can discuss available options with you.
| Part No. | Manufacturer | Description | Qty | RFQ |
|---|---|---|---|---|
| 84400644 | kapco valtec | NA | Avl | RFQ |
| 84-401-615 | kapco valtec | NA | Avl | RFQ |
| 84404005 | kapco valtec | NA | Avl | RFQ |
| 84-400-045 | kapco valtec | NA | Avl | RFQ |
| 84-306-652 | kapco valtec | NA | Avl | RFQ |
| 84402805 | kapco valtec | NA | Avl | RFQ |
| 84 401 810 | kapco valtec | NA | Avl | RFQ |
| 84413625 | kapco valtec | NA | Avl | RFQ |
| 84 401 046 | kapco valtec | NA | Avl | RFQ |
| 84401845 | kapco valtec | NA | Avl | RFQ |
| 84 413 025 | kapco valtec | NA | Avl | RFQ |
| 84-313-009 | kapco valtec | NA | Avl | RFQ |
| 84401646 | kapco valtec | NA | Avl | RFQ |
| 84402004 | kapco valtec | NA | Avl | RFQ |
| 84 402 011 | kapco valtec | NA | Avl | RFQ |
| 84-313-011 | kapco valtec | NA | Avl | RFQ |
| 84 402 807 | kapco valtec | NA | Avl | RFQ |
| 84-414-230 | kapco valtec | NA | Avl | RFQ |
| 84403002 | kapco valtec | NA | Avl | RFQ |
| 84414010 | kapco valtec | NA | Avl | RFQ |
| 84400047 | kapco valtec | NA | Avl | RFQ |
| 84401698 | kapco valtec | NA | Avl | RFQ |
| 84411610 | kapco valtec | NA | Avl | RFQ |
| 84401611 | kapco valtec | NA | Avl | RFQ |
| 84-401-695 | kapco valtec | NA | Avl | RFQ |
| 84401615 | kapco valtec | NA | Avl | RFQ |
| 84 404 005 | kapco valtec | NA | Avl | RFQ |
| 84-412-020 | kapco valtec | NA | Avl | RFQ |
| 84400660 | kapco valtec | NA | Avl | RFQ |
| 84413603 | kapco valtec | NA | Avl | RFQ |
| 84-402-805 | kapco valtec | NA | Avl | RFQ |
| 84 400 012 | kapco valtec | NA | Avl | RFQ |
| 84412003 | kapco valtec | NA | Avl | RFQ |
| 84406005 | kapco valtec | NA | Avl | RFQ |
| 84-411-612 | kapco valtec | NA | Avl | RFQ |
| 84 406 005 | kapco valtec | NA | Avl | RFQ |
| 84 414 225 | kapco valtec | NA | Avl | RFQ |
| 84 414 220 | kapco valtec | NA | Avl | RFQ |
| 84402046 | kapco valtec | NA | Avl | RFQ |
| 84-400-047 | kapco valtec | NA | Avl | RFQ |
| 84413615 | kapco valtec | NA | Avl | RFQ |
| 84 401 646 | kapco valtec | NA | Avl | RFQ |
| 84-402-051 | kapco valtec | NA | Avl | RFQ |
| 84-313-034 | kapco valtec | NA | Avl | RFQ |
| 84-400-038 | kapco valtec | NA | Avl | RFQ |
| 84-401-025 | kapco valtec | NA | Avl | RFQ |
| 84-402-046 | kapco valtec | NA | Avl | RFQ |
| 84401647 | kapco valtec | NA | Avl | RFQ |
| 84400012 | kapco valtec | NA | Avl | RFQ |
| 84-406-010 | kapco valtec | NA | Avl | RFQ |
| 84402006 | kapco valtec | NA | Avl | RFQ |
| 84400610 | kapco valtec | NA | Avl | RFQ |
| 84-313-015 | kapco valtec | NA | Avl | RFQ |
| 84 402 803 | kapco valtec | NA | Avl | RFQ |
| 84-401-003 | kapco valtec | NA | Avl | RFQ |
| 84-413-615 | kapco valtec | NA | Avl | RFQ |
| 84402016 | kapco valtec | NA | Avl | RFQ |
| 84-413-610 | kapco valtec | NA | Avl | RFQ |
| 84 413 020 | kapco valtec | NA | Avl | RFQ |
| 84400060 | kapco valtec | NA | Avl | RFQ |
| 84-412-003 | kapco valtec | NA | Avl | RFQ |
| 84413610 | kapco valtec | NA | Avl | RFQ |
| 84-412-025 | kapco valtec | NA | Avl | RFQ |
| 84413012 | kapco valtec | NA | Avl | RFQ |
| 84406003 | kapco valtec | NA | Avl | RFQ |
| 84412815 | kapco valtec | NA | Avl | RFQ |
| 84313015 | kapco valtec | NA | Avl | RFQ |
| 84-401-645 | kapco valtec | NA | Avl | RFQ |
| 84401003 | kapco valtec | NA | Avl | RFQ |
| 84402807 | kapco valtec | NA | Avl | RFQ |
| 84-413-035 | kapco valtec | NA | Avl | RFQ |
| 84401043 | kapco valtec | NA | Avl | RFQ |
| 84-401-698 | kapco valtec | NA | Avl | RFQ |
| 84-402-825 | kapco valtec | NA | Avl | RFQ |
| 84401645 | kapco valtec | NA | Avl | RFQ |
| 84401025 | kapco valtec | NA | Avl | RFQ |
| 84 406 003 | kapco valtec | NA | Avl | RFQ |
| 84 401 844 | kapco valtec | NA | Avl | RFQ |
| 84313009 | kapco valtec | NA | Avl | RFQ |
| 84402801 | kapco valtec | NA | Avl | RFQ |
| 84 405 020 | kapco valtec | NA | Avl | RFQ |
| 84 400 647 | kapco valtec | NA | Avl | RFQ |
| 84400611 | kapco valtec | NA | Avl | RFQ |
| 84402045 | kapco valtec | NA | Avl | RFQ |
| 84-400-610 | kapco valtec | NA | Avl | RFQ |
| 84401695 | kapco valtec | NA | Avl | RFQ |
| 84400038 | kapco valtec | NA | Avl | RFQ |
| 84401697 | kapco valtec | NA | Avl | RFQ |
| 84405020 | kapco valtec | NA | Avl | RFQ |
| 84401807 | kapco valtec | NA | Avl | RFQ |
| 84400041 | kapco valtec | NA | Avl | RFQ |
| 84 400 803 | kapco valtec | NA | Avl | RFQ |
| 84-413-034 | kapco valtec | NA | Avl | RFQ |
| 84-413-605 | kapco valtec | NA | Avl | RFQ |
| 84412020 | kapco valtec | NA | Avl | RFQ |
| 84-413-625 | kapco valtec | NA | Avl | RFQ |
| 84-401-843 | kapco valtec | NA | Avl | RFQ |
| 84-402-812 | kapco valtec | NA | Avl | RFQ |
| 84401846 | kapco valtec | NA | Avl | RFQ |
| 84-400-041 | kapco valtec | NA | Avl | RFQ |
Please Contact us to Receive an Instant Quotation
Warrantied inventory at
competitive prices
Search the world’s largest inventory of civil aviation components by manufacturer, category, or part number
We sell only warrantied
and traceable parts
All inventory ready to ship
from our sellers
The only independent


“We Proudly Support Intrepid Fallen Heroes Fund that serves United States Military Personal experiencing the Invisible Wounds of War : Traumatic Brain Injury (TBI) and Post Traumatic Stress (PTS). Please visit website (www.fallenheroesfund.org) and help in their valiant effort”.
We Hope that You Will Visit Us Again the Next Time You Need Aircraft Parts and Make Us Your Strategic Purchasing Partner.
Request for Quote