Overview
The Switchcraft S1028 is a rigid plastic insulating flat washer used for electrically isolating panel-mounted audio and communications jacks from metal chassis panels. It is commonly paired with the Switchcraft S1029 shoulder washer when mounting 1/4-inch phone jacks, microphone jacks, and avionics headset connectors.
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Product Type: Insulating flat washer
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Material: Rigid plastic / phenolic
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Color: Brown
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Inside Diameter: 3/8 in (0.375")
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Outside Diameter: 5/8 in (0.625")
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Thickness: 0.031 in (1/32")
