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Engineering Reference Handbook

Bus Bars Washers - C Shaped
Clamps and Brackets Washers - Centering
Expansion Plugs Washers - Countersunk
Grounding Straps Washers - Finishing
Insulators Washers - Flat
Jumpers Washers - Lock
Retaining Rings Washers - Odd Shaped ID
Sheet Metal Nuts and Strips Washers - Odd Shaped OD
Solder Lugs Washers - Retaining
Spacers Washers - Retention
Spring Clips Washers - Shoulder
Tags Washers - Split
Washers - Spring
Washers - Tab, Key, and Notch
Washers - Terminal Cup

Shoulder Washers

Shoulder Washer, Sleeve Bushing, Flanged Bushing

Definition: Shoulder washers, sleeve bushings or flanged bushings are designed for a variety of applications. A shoulder washer insulates a screw, rivet or wire from a chassis or assembly. A sleeve or flanged bushing is inserted into a housing to provide a bearing surface for rotary applications. The flange on the bushing is used to positively locate the bushing when it is installed or to provide a thrust bearing surface.

Shoulder Washers are available in the following materials and finishes:

  • Fiberglass: No Finishes
  • Fibre (fiber): No Finishes
  • Nylon: No Finishes
  • PCTFE: No Finishes
  • Phenolic: No Finishes
  • PTFE: No Finishes

Fiberglass Shoulder Washer: 5603
Fibre Shoulder Washer: 5604
Phenolic Shoulder Washer: 5605
Nylon Shoulder Washer: 5607
PCTFE Shoulder Washer: 5609
PTFE Shoulder Washer: 5608

Example: Shoulder Washer

Insulating a screw or solder lug from a chassis.

To bush and insulate a metal tube (sleeve) from a plate.