The U.S. aircraft register, updated daily
Parts

Spacer Number

No failure report names the spacer number. 3 FAA approvals let 1 company make a replacement spacer number, Aerex Manufacturing INC holding the most (3).

Approved replacement parts 3 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Aerex Manufacturing INCSpacer number 5 bearing 807746AERP&W 807746Pratt & Whitney JT8D-7, 7A, 7B1995-02-06current
Aerex Manufacturing INCSpacer Assembly number 3 Bearing 807842AERPratt & Whitney 807842Pratt & Whitney JT8D-7, -7A, -7B1993-03-30current
Aerex Manufacturing INCSpacer assembly number 3 brg. 805340AERP&W 805340Pratt & Whitney JT8D-7, -7A, -7B1992-12-22current

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.