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Technical Specifications
Application
Helps Prevent Loosening
Pack Quantity
500
Brand
APPROVED SUPPLIER
Shipping Weight
2.15 lb.
Fits Bolt Sizes
5/16 in.
System of Measurement
Fractional
Grade
8
Washer Basic Material
Steel
Item
Lock Washer
Washer Inside Diameter
0.3125 in.
Lock Washer Style
Split
Washer Material Grade
Grade 8
Material
Alloy Coil Spring Steel
Product Description
Alloy Lock Washers For Use With Grade 8 Fasteners
- SAE Approved Alloy Coil Spring Steel.
- Tempered For Non-Linking Positive Locking.
- Greater Resistance To High Temperature.
- Not Brittle At Low Temperature.
- Greater Resistance To Loosening From Vibration.
- Tighter Assemblies Due To Greater Bolt Tension Per Unit Of Torque.
- Zinc; Yellow Plating For Corrosion Resistance.
- Asme B18.21.1 Approved
- Astm B633 Type Ii Sc1
- Size: 5/16
Compliance & Restrictions

Lot Tracked Item Details
Item Barcode
Lockwasher 5/16 Alloy
Name | Item | Description | |
---|---|---|---|
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AUVECO | 11926 | LOCKS ALLOY 5/16 |
![]() |
UNSPSC CODES | 31161801 | LOCKS ALLOY 5/16 |
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VMRS (ATA) CODES | 053-007-007 | LOCKS ALLOY 5/16 |
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