Skip to content
Product Description

Part Number: 31SNTL9Y
Diameter: 5/16"
Grade: Grade L-9
Finish: Zinc Yellow
Inside Diameter : 0.344"
Outside Diameter: 0.688"
Thickness : 0.065"
Country of Origin: USA

BoltsandNuts.com

5/16" SAE Grade L-9 Flat Washers USA Zinc Yellow

SKU: 31SNTL9Y
Product Description

Part Number: 31SNTL9Y
Diameter: 5/16"
Grade: Grade L-9
Finish: Zinc Yellow
Inside Diameter : 0.344"
Outside Diameter: 0.688"
Thickness : 0.065"
Country of Origin: USA

Promo

B&N Pro eligible item. Save 10% when you join Pro. Learn more.

1
$0.65/pc
Popular
200
$0.48/pc
400
$0.41/pc
1000
$0.32/pc
Best Value
10000
$0.24/pc
$0.65
B&N Pro $0.00 Member Price
(Shipping $8.95) Add [amount] more for FREE SHIPPING
GradeLow Carbon
MaterialLow carbon steel
PatternSAE (Narrow) series
Outside Diameter0.688" nom
Inch MetricInch
Grade MaterialGrade L-9
Major Diameter0.3125"
Diameter5/16"
Inside Diameter0.344" nom
FinishZinc Yellow
HardnessRockwell C33–C39
Thickness0.065" nom
Nominal Size5/16"

Related Items

Everything you need for this fastener — pick your pack sizes and add them all at once.

5/16" SAE Grade L-9 Flat Washers USA Zinc Yellow
B&N Pro $0.00 Member Price
5/16" Alloy Split Lock Washers Zinc Yellow (USA Made)
B&N Pro $0.00 Member Price
5/16" Steel Internal Tooth Lock Washer Zinc
B&N Pro $0.00 Member Price
0 items $0.00