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Circuit Breaker Lockout Ring Black/Rbf S4933959-527

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Circuit Breaker Lockout Ring Black/Rbf S4933959-527

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Part numbers : RX1-11-14700 , S4933959-527 , 11-14700
Unit of Measure: EA

7.30 EUR / EA 7.3 EUR 7.30 € excl. VAT

7.30 EUR / EA excl. VAT

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Availability
Up to 3 EA ready to ship on Monday 2026-09-28
Order before 17:00 CET on Friday 2026-09-25
Up to 8 EA ready to ship on Thursday 2026-10-01
Order before 17:00 CET on Friday 2026-09-25

The S4933959-527 circuit breaker lockout ring is a black maintenance safety ring with a red REMOVE BEFORE FLIGHT tag. It is intended to provide a clear visual indication and help prevent inadvertent closing of a circuit breaker while associated equipment is under repair or removed.

  • Manufacturer part number: S4933959-527
  • Black lockout ring with red “REMOVE BEFORE FLIGHT” tag
  • Designed for use with Klixon and similar-style circuit breakers, subject to verification against the applicable installation
  • Suitable for maintenance and operational control procedures where a circuit breaker must remain identified and protected from unintended reset

Manufacturer-series documentation identifies the S4933959 lockout-ring series as FAA-PMA approved maintenance support hardware. This statement does not establish EASA approval or suitability for a particular aircraft installation; always confirm applicability, approved data and release requirements before use.

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