ISO 3019-1:2001.

Title:
Hydraulic fluid power – Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors – Part 1: Inch series shown in metric units (second edition) [Related standards: ANSI/(NFPA)T3.9.2 R3-1998, ISO 3019-1:2001],

Scope:
This part of ISO 3019 specifies sizes and dimensions and establishes an identification code for the two- and four-bolt mounting flanges and the shaft ends of positive-displacement, rotary hydraulic fluid power pumps and motors. It is applicable to cylindrical keyed shaft ends with an external thread, as well as to those without a trhead, to conical keyed shaft ends with an external thread and to 30-degree involute spline shaft ends. NOTE Involute spline is in accordance with SAE J744.