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CIRCUIT BREAKER SAFETY LOCK/Remove Before Flight, red. S4933959-521

CIRCUIT BREAKER SAFETY LOCK/Remove Before Flight, red. S4933959-521
CIRCUIT BREAKER SAFETY LOCK/Remove Before Flight, red. S4933959-521
CIRCUIT BREAKER SAFETY LOCK/Remove Before Flight, red. S4933959-521
Circuit Breaker Safety Lockout Ring with Tag | Red

Circuit breaker safety lockout tags prevent accidental closures of circuit breakers. They are often in use during maintenance operations to prevent equipment damage or injury.
 

This circuit breaker lockout tag (Alternate Part# S493959521) is colored red and says "remove before flight".


  • Lockout tag and ring
  • Increases safety during maintenance operations

Product Codes

Mfr Part No:S4933959-521
ECCN:EAR99
PMA:PQ1810NM
PROAPP:PQ1810NM
SCHEDULE B CODE:8803.30.0010


Color: red

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  • Stock: Warehouse
  • Manufacturer Part #: S4933959-521
$11.51
This product has a minimum quantity of 10

Aircraft Fitment Finder

Returns & refund summary

  • 30-day return window — with prior return authorization, unopened in original packaging.
  • Restocking fee: 20% on unopened items, 30% on open-box items.
  • Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
  • Return shipping: paid by buyer.
  • Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.

Full terms: Return Policy.

Authenticity & authorization

All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.

See our full Manufacturer Authorizations page for the current per-brand status.

Need traceability paperwork?

If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.

Shipping

Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.