The U.S. aircraft register, updated daily
Parts

Grimes Rotating

No failure report names the grimes rotating. 1 FAA approvals let 1 company make a replacement grimes rotating, Mckenzie Flying Service 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 grimes rotating and sell it as an approved part for the models named. These are the companies holding such approvals for a grimes rotating:

For these models most: Piper PA-24 Comanche (1).

MakerPartReplacesFitsGrantedStatus
Mckenzie Flying ServiceGrimes D-7080-1-12 Rotating Beacon All parts listed on...Modification PartPiper PA-24, PA-24-2501991-06-05current

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.