BRUSH ASSEMBLY (P/N 420a21) - As Removed
P/N: 420a21
Category: General Aircraft Parts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| As Removed | 4 Available |
Product Description
The 420a21 is a carbon brush assembly for aircraft starter-generators. It maintains electrical contact between rotating commutators and stationary leads, transferring current during engine starting and DC power generation. Used in DC starter-generator systems on general aviation and corporate aircraft, this assembly ensures reliable electrical connection as the rotor spins.
Installation requires seating brushes per component maintenance manual specifications, including run-in procedures and commutator conditioning to establish proper contact patterns.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the BRUSH ASSEMBLY (P/N 420a21)?
The 420a21 is a carbon brush assembly for aircraft starter-generators. It maintains electrical contact between rotating commutators and stationary leads, transferring current during engine starting and DC power generation.
What conditions is the 420a21 available in?
The 420a21 is currently available in the following conditions: As Removed. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the 420a21?
The 420a21 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the 420a21?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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