The U.S. aircraft register, updated daily
Parts

Number Str

No failure report names the number str. 1 FAA approvals let 1 company make a replacement number str, Titeflex Corporation (Name Change To Smiths Tubular Systems-Laconia INC. 5/06) 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 number str and sell it as an approved part for the models named. These are the companies holding such approvals for a number str:

For these models most: Boeing 737 (1).

MakerPartReplacesFitsGrantedStatus
Titeflex Corporation (Name Change To Smiths Tubular Systems-Laconia INC. 5/06)130 Assembly number 16 STR/45 JIC SUPPLY 9587810-60563-10Boeing 737-100 SERIES, 737-200 SERIES2004-07-07current

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.