ISO 7652:1983

Specifies the dimensional requirements for interchangeability of base-mounted air compressors mounted on commercial vehicles and buses. A figure illustrates shapes and reference quantities of concern. Includes dimensions and tolerances for types 1a, 1b, 2a, 2b, as well as pipe connections with idenfication codes as follows: 0, 2, 81, 82, 91, 92.