Annotation of standard text SAE AMS4820F :
This specification covers bearings of leaded copper cast on one or both faces of a steel backing.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification
Stabilized: Apr 2018 
Bearings, Leaded Copper 70Cu – 28.5Pb Steel Back
STANDARD published on 1.4.2018
Designation standards: SAE AMS4820F
Publication date standards: 1.4.2018
Country: American technical standard
Category: Technical standards SAE
This specification covers bearings of leaded copper cast on one or both faces of a steel backing.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification
Stabilized: Apr 2018