AS5439A Adapter Reducer, Beam Seal - Port Connection, Ring Locked Design, Installation and Removal of

Stabilized

2/16/2026

Features
Issuing Committee
Scope
Content
This SAE Aerospace Standard (AS) provides the essential minimum design, installation, and removal standard for AS4383 adapter reducer and is applicable when specified on engineering drawings, or in procurement documents.
Details
Pages
11
Citation
SAE International Technical Standard, Adapter Reducer, Beam Seal - Port Connection, Ring Locked Design, Installation and Removal of, SAE Standard AS5439A, Stabilized February 2026, Reaffirmed January 2013, Issued December 1999, .
Additional Details
Publisher
Published
Feb 16
Product Code
AS5439A
Content Type
Technical Standard
Status
Stabilized
Language
English

Revisions