SAE J1946-2007
Companion Flanges, Type A (External Pilot) and Type S (Internal Pilot)

Standard No.

SAE J1946-2007

Release Date

2007

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2016-01

Replace By

SAE J1946-2016

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 7646. The type S flanges are equivalent to the type S ISO 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 J1946-2007 Referenced Document

• ISO 1101:2004 Geometrical Product Specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out
• ISO 286 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts; Technical Corrigendum 1*， 2013-08-01 Update

SAE J1946-2007 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)