Engineering Resources

Engineering Data
Engineering Reference Handbook
How to Specify Custom Parts
Engineering Reference Handbook

Clamps & Brackets
Expansion Plugs
Metallic Flat Washers
Miscellaneous Electrical Hardware
Miscellaneous Washers
Non-Metallic Washers
Retaining Rings
Sheet Metal Nuts
Shoulder Washers
Solder Lugs
Solid State Insulators
Spring Clips
Spring Washers
Spacers
Tab, Key & Notch Washers
Tags


Tab, Key & Notch Washers

Used when necessary to keep a washer or nut from rotating.


Tab Lock 5748, 5749, 5745

• Tab prevents washer from rotating
• Ears prevent nut from rotating on washer
• Tabs may lock into holes or over the edge of base material
• Ears may be bent up by user to lock nut





Washer holds nut in place in relation to chassis.



Formed Key 5739, 5740

• Tab prevents washer from rotating
• May have internal tab to prevent shaft from rotating
• Tabs may lock into holes or over the edge of base material



Formed tab prevents washer from rotating or used as a stop.


Tab 5741, 5742, 5744, 5743, 5746, 5747

• Tab prevents washer from rotating
• May have internal tab to prevent shaft from rotating
• Tabs may lock into holes or over the edge of base material


Internal-External tab washer prevents nut from loosening.



Prevents shaft from turning.



Notch 5753, 5754, 5750, 5751

• Tab prevents washer from rotating
• May have internal tab to prevent shaft from rotating
• Tabs may lock into holes or over the edge of base material


Key locks shaft into washer and prevents it from turning.