AS9100 Rev D/ISO 9001:2015 Certified
Serving the Aviation Industry since 1973
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Circuit Breaker Locks
These circuit breaker locks will ensure that circuit breakers will not be closed inadvertently. The lock is extremely useful when equipment has been removed for repair to prevent spikes and shorts.

P/N Color
10237-1 Red
10237-2 Black

P/N Description
S4933959-1 Lockout Ring, Natural
S4933959-501 Lockout Ring, Red
S4933959-503 Lockout Ring, Yellow
S4933959-505 Lockout Ring, Blue
S4933959-507 Lockout Ring, Black
S4933959-509 Lockout Ring with Hole, Natural
S4933959-511 Lockout Ring with Hole, Red
S4933959-513 Lockout Ring with Hole, Yellow
S4933959-515 Lockout Ring with Hole, Blue
S4933959-517 Lockout Ring with Hole, Black
S4933959-519 Lockout Ring with "Remove Before Flight" Tag, Natural
S4933959-521 Lockout Ring with "Remove Before Flight" Tag, Red
S4933959-523 Lockout Ring with "Remove Before Flight" Tag, Blue
S4933959-527 Lockout Ring with "Remove Before Flight" Tag, Black
S4933959-529 Lockout Ring with "Inoperative, Do Not Operate" Tag, Natural
S4933959-531 Lockout Ring with "Inoperative, Do Not Operate" Tag, Yellow
S4933959-535 Lockout Ring with "Inoperative, Do Not Operate" Tag, Blue
S4933959-537 Lockout Ring with "Inoperative, Do Not Operate" Tag, Black