Across Hex Corner Dimension for Fluid Fittings and Nuts

Standard:
Reaffirmed:
  • 2013-01-28
 
  • CURRENT
Publisher:
  • SAE International
Pages:
5
Scope:

This SAE Aerospace Recommended Practice (ARP) defines the minimum across hexagon corner dimensions for fluid tube fittings and nuts. The ARP covers commonly specified inch and millimeter hexagon sizes.

The purpose of this ARP is to define the minimum allowable diameter of coners for hexagons that are machined from round stock or for hexagon corners that are turned to facilitate manufacutirng, installation, or other purpose. Rounded hex corners in accordance with this ARP shall not be used in conjunction with safety wire hoses per SAE AS 1043.

History:
Standard Published Revision Status
ARP1942A 2013-01-28 Latest Reaffirmed
1996-06-01 Historical Reaffirmed
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