The U.S. aircraft register, updated daily
Parts

Tach Breaker

No failure report names the tach breaker. 1 FAA approvals let 1 company make a replacement tach breaker, Continental Motors INC holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a tach breaker and sell it as an approved part for the models named. These are the companies holding such approvals for a tach breaker:

MakerPartReplacesFitsGrantedStatus
Continental Motors INCTach Breaker Conversion Kit (TCM Bendix S1200 series magnetos) 10-349976OEMTeledyne Continental IO-520-K, IO-320-D1B, O-360-A1F1993-11-28current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.