The U.S. aircraft register, updated daily
Parts

Retaining Device

No failure report names the retaining device. 1 FAA approvals let 1 company make a replacement retaining device, Soundair Aviation Services 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 retaining device and sell it as an approved part for the models named. These are the companies holding such approvals for a retaining device:

For these models most: Airbus A321 (1), Airbus A320 (1), Airbus A319 (1).

MakerPartReplacesFitsGrantedStatus
Soundair Aviation ServicesRETAINING DEVICE SP7110-04-1005108C0312-01Airbus S.A.S A319-131, A319-132, A320-2112025-06-25current

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.