Fluid Connections, Fittings, Hex Width

Standard:
Reaffirmed:
  • 2013-01-02
 
  • CURRENT
Publisher:
  • SAE International
Pages:
3
Scope:

This SAE Aerospace Recommended Practice (ARP) is intended as a guide toward standard practice for selection of nominal hex widths for fittings.

Primarily for fittings which are machined from bar stock and incorporate a hex wrenching surface. The document applies to union fittings (both ends the same size). For reducer fittings, use the hex width for the largest fitting end.

History:
Standard Published Revision Status
ARP4919 2013-01-02 Latest Reaffirmed
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