The U.S. aircraft register, updated daily
Parts

Rupture Disk

No failure report names the rupture disk. 9 FAA approvals let 2 companies make a replacement rupture disk, Pemac Aviation Supply INC holding the most (6).

Approved replacement parts 9 parts manufacturer approvals

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

For these models most: Boeing 747 (6), Boeing 737 (3), Bombardier CL-600 Challenger and CRJ (2), Boeing 767 (2), Saab-Fairchild 340 (1), Boeing 757 (1), Airbus A300 (1).

MakerPartReplacesFitsGrantedStatus
Adaptive Aerospace CORPRupture Disk Assembly, 4 Inch 747STSCD902-003747STSCD902-003Boeing 747-100, -200C series2015-09-17current
Adaptive Aerospace CORPRupture Disk, 4 Inch 747STSCD902-007747STSCD902-007Boeing 747-100, -200C series2015-09-17current
Adaptive Aerospace CORPRupture Disk, Inverted Type, 10 inch Graphite 747STSCD902-005747STSCD902-005Boeing 747-100, -200C series2015-09-17current
Pemac Aviation Supply INCRupture Disk P33440016-6HTL 33440016-6Boeing 737, 757-200 series, 767-200 series1997-07-21current
Pemac Aviation Supply INCRupture Disk P33440016-5HTL 33440016-5Boeing 737, 747-100, -100B1997-07-21current
Pemac Aviation Supply INCRupture Disk P33440018-7HTL 33440018-7Boeing 7371997-07-21current
Pemac Aviation Supply INCRupture Disk P33440018-233440018-2Boeing 747 Series1991-10-27current
Pemac Aviation Supply INCRupture Disk P33440018-633440018-6Boeing 747, 767 Series1991-10-27current
Pemac Aviation Supply INCRupture Disk P33440018-3HTL 33440018-3Airbus A300, A310-200, B4-6011991-10-27current

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.