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AN961-516S

Aeronautical Standard Flat Washer

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Description

AN 961-516S Flat Washer

Specifications

Finish Silver
Hole Diameter Between 0.318 inches and 0.338 inches
Material Brass
Material Specification Qq-w=321 1/2 hard federal specification 1st material response or qq-b-626 1/2 hard federal specification 2nd material response
Nominal I.D. .328
Nominal O.D. .562
Nondefinitive Specification/Std Data A type and 2 grade and e class
Overall Diameter Between 0.557 inches and 0.582 inches
Precious Material Silver
Precious Material And Location Silver
Screw Size 5/16
Surface Treatment Silver plated
Surface Treatment Specification Qq=s=365 gr 3 federal specification single treatment response
Thickness 0.064

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Catalog data updated 2026-07-05. Report a data error