This app covers five of the most SAE Aerospace groove standards for hydraulic systems, AS4716 Rev B, AS5857 Rev A, AS6235 Rev A, AS4088 Rev E and AS4832 Rev A. You can easily find groove sizes and determine if grooves are suitable for a dynamic and/or static seal. Available in Metric and Inch, based on standard Dash numbers. Features: Gland design for Bore, Rod & Face seals.