The U.S. aircraft register, updated daily
Parts

Winshield Temp

No failure report names the winshield temp. 2 FAA approvals let 1 company make a replacement winshield temp, United Technologies, Hamilton Sundstrand holding the most (2).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Boeing-Vertol 107 (2).

MakerPartReplacesFitsGrantedStatus
United Technologies, Hamilton SundstrandWinshield Temp. Controller 10729-9114ES233-8Boeing Defense 107-II1992-12-31current
United Technologies, Hamilton SundstrandWinshield Temp. Controller 10729-8114ES233-7Boeing Defense 107-II1992-12-31current

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.