The U.S. aircraft register, updated daily
Parts

Nut Mm

No failure report names the nut mm. 2 FAA approvals let 1 company make a replacement nut mm, Integrated Flight Systems INC 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 nut mm and sell it as an approved part for the models named. These are the companies holding such approvals for a nut mm:

For these models most: Airbus Helicopters EC120 (2).

MakerPartReplacesFitsGrantedStatus
Integrated Flight Systems INCNut 12mm 120-3005-01120-3005-01Eurocopter France EC120B2010-05-26current
Integrated Flight Systems INCNut 12mm 120-3005-01120-3005-01Eurocopter France EC120B2009-07-12current

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.