Hydraulic fluid power – Electrical connectors for use with industrial hydraulic integrated proportional valves – Dimensions and requirements
standard by National Fluid Power Association, 02/26/2002

Hydraulic fluid power systems – Methods for preventing external leakage
standard by National Fluid Power Association, 11/14/2007

Hydraulic fluid power – Petroleum fluids – Prediction of bulk moduli
standard by National Fluid Power Association, 06/12/1997

Recommendations for conservation, maintenance, and disposal of hydraulic fluids Information report (DOD approved)
standard by National Fluid Power Association, 08/30/1994

Recommended practice – Hydraulic fluid power – Use of environmentally acceptable fluids
standard by National Fluid Power Association, 11/06/2007

Recommended Practice – Hydraulic Fluid Power – Fluids – Viscosity Selection Criteria for Hydraulic Motors and Pumps
standard by National Fluid Power Association, 04/04/2002

Hydraulic fluid power components – Assessment of reliability by testing
standard by National Fluid Power Association, 02/22/2007

Fluid power systems and components – Reliability analysis, field data reporting format and database compilation
standard by National Fluid Power Association, 04/02/2009

Hydraulic fluid power – Systems and products – Testing general measurement principles and techniques [to be used in conjunction with NFPA/T2.12.1]
standard by National Fluid Power Association, 07/01/2002

Hydraulic fluid power – Systems and products – Method of measuring average steady-state pressure [to be used in conjunction with NFPA T2.12.10]
standard by National Fluid Power Association, 07/01/2002