The U.S. aircraft register, updated daily
Parts

Size Mg

No failure report names the size mg. 1 FAA approvals let 1 company make a replacement size mg, Ads/Transcoil 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 size mg and sell it as an approved part for the models named. These are the companies holding such approvals for a size mg:

For these models most: Mcdonnell Douglas Aircraft Co MD-88 (1).

MakerPartReplacesFitsGrantedStatus
Ads/TranscoilSize23MG4H 2504631-1 ADSTC2504631-1Boeing MD-882011-11-01current

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.