Manufacturer Catalog
Paco Plastics

Circuit breaker lockout ring with no tag

MPN: S4933959-1

Red plastic circuit breaker lockout ring used to prevent inadvertent closing of aircraft circuit breakers during maintenance or when associated equipment is removed. Key details: Fits Klixon and similar aircraft circuit breakers; this -501 version is the red safety lock only and does not include a warning tag.

MPN: S4933959-501

Yellow circuit breaker lockout ring without tag

MPN: S4933959-503

Blue circuit breaker lockout ring with no tag

MPN: S4933959-505

Black circuit breaker lockout ring with no tag

MPN: S4933959-507

Circuit breaker lockout ring with no tag

MPN: S4933959-509

Red color, to use use as a circuit breaker lockout.

MPN: S4933959-511

S4933959-513 is a yellow FAA-PMA aircraft circuit breaker lockout ring manufactured by Paco Plastics & Engineering. The nylon 6/6 safety ring features a hole for optional tagging and is supplied without a tag. Designed for installation on Klixon and similar aircraft circuit breakers, the lockout ring helps prevent inadvertent closing or resetting of a circuit breaker during aircraft maintenance and operational procedures. S4933959-513 is part of Paco's Boeing-licensed S4933959 circuit breaker lockout series.

MPN: S4933959-513

Circuit breaker lockout ring with no tag

MPN: S4933959-515

Circuit breaker lockout ring with no tag

MPN: S4933959-517

Circuit breaker lockout ring with no tag

MPN: S4933959-519

Red lockout ring with red Remove Before Flight tag

MPN: S4933959-521

Yellow lockout ring with red Remove Before Flight tag

MPN: S4933959-523

Blue lockout ring with red Remove Before Flight tag

MPN: S4933959-525

Black lockout ring with red Remove Before Flight tag

MPN: S4933959-527