The U.S. aircraft register, updated daily
Parts

Wastegate Spring

No failure report names the wastegate spring. 2 FAA approvals let 1 company make a replacement wastegate spring, Ram Aircraft Limited Partnership 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 wastegate spring and sell it as an approved part for the models named. These are the companies holding such approvals for a wastegate spring:

For these models most: Rockwell International 700 (2), Cessna T206 Turbo Stationair (2), Cessna P210 Pressurized Centurion (2), Beechcraft A36 Bonanza (2), Piper PA-31 Navajo and Chieftain (1), Cessna T210 Turbo Centurion (1), Cessna 414 Chancellor (1), Cessna 404 (1), Cessna 402 (1), Cessna 340 (1).

MakerPartReplacesFitsGrantedStatus
Ram Aircraft Limited PartnershipWastegate Spring Extension 1262-1 Dwg. No. 1262 Dated...Airesearch Part Number 47 7 312Raytheon A36TC, B-60) Cessna (303, 3401988-04-26current
Ram Aircraft Limited PartnershipWastegate Spring 1254-1Airesearch Wastegate Spring P/N 477379Cessna T206, T210, P2101987-11-03current

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.