SAE J1946-1990
COMPANION FLANGES@ TYPE A (EXTERNAL PILOT) AND TYPE S (INTERNAL PILOT)

Standard No.

SAE J1946-1990

Release Date

1990

Published By

SAE - SAE International

Status

Be replaced 1997-10

Replace By

SAE J1946-1991

Latest

SAE J1946-2016

Scope

This SAE Standard specifies the nominal dimensions and tolerances which affect the interchangeability between companion flanges and mating parts. The flanges covered by this document are designated type A and type S. The type A flanges are equivalent to type A ISO/DIS 7646. The type S flanges are equivalent to the type S ISO/DIS 7647. Type A is an external (male) pilot construction and type S is an internal (female) pilot construction. These flanges are not interchangeable. Dimensions not specified are left to the discretion of the component manufacturer.

SAE J1946-1990 history

• 2016 SAE J1946-2016 Companion Flanges@ Type A (External Pilot) and Type S (Internal Pilot)
• 2007 SAE J1946-2007 Companion Flanges, Type A (External Pilot) and Type S (Internal Pilot)
• 2001 SAE J1946-2001 Companion Flanges, Type A (External Pilot) and Type S (Internal Pilot)
• 1991 SAE J1946-1991 Companion Flanges@ Type A (External Pilot) and Type S (Internal Pilot
• 1990 SAE J1946-1990 COMPANION FLANGES@ TYPE A (EXTERNAL PILOT) AND TYPE S (INTERNAL PILOT)