SAE AS 63A

SAE AS 63A Carburetor Flange, Aircraft, 4 Bolt - Single Barrel No. 2, 3, 4, 5, 6, 7, & 9 ( Reaffirmed: Feb 1984 Jul 1991 May 1995 Nov 2001 May 2006 )

standard by SAE International, 11/01/1941