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SAE ARP4784 Rev A

Historical Revision

Definitions and Limits, Metal Material Defects and Surface and Edge Features, Fluid Couplings, Fittings, and Hose Ends

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This SAE Aerospace Recommended Practice (ARP) is intended to provide definitions of and recommendations for drawing limits pertaining to surface and edge features on machined metal fluid fittings and is subject to change to keep pace with experience and technical advances. The subject includes: features, descriptions and definitions, examples, limits, inspection methods and standard drawing callouts where applicable. Fittings may retain unmachined material surfaces that exhibit similar surface features as machined surfaces and may be inspected to the same criteria. These unmachined surfaces may also contain unique features that are addressed separately. See Figure 1 for the relationship of surface and edge features.

SDO SAE: SAE International
Document Number ARP4784
Publication Date July 1, 2001
Language en - English
Page Count 18
Revision Level A
Supercedes
Committee
Publish Date Document Id Type View
Sept. 1, 2022 ARP4784B Revision
July 1, 2001 ARP4784A Revision
March 25, 1993 ARP4784 Revision