Product details:

Part #: 0000-199504. Buy as few as 5000 pcs. Discounts on larger quantities. PRODUCT SPECIFICATIONS Part #: 0000-199504 Fastener Type: Flat Washer Size Description: 1/4 x 1/2 x .062 Diameter/Nominal Size: 1/4* Inside Diameter: 0.252-0.262" Outside Diameter: 0.495-0.505" Thickness: 0.057-0.067" System of Measurement: Inch Material: Nylon Finish: Plain Finish (No Plating) Average Piece Weight: 0.0003000 lbs. *Washer Sizing: Washer sizes are nominal (sized for the bolt that the washer will fit). Actual inside diameter is almost always larger than stated size. Washers are thin disk-shaped plates with a hole that is to distribute the load of a threaded fastener such as a bolt or nut; often have an outer diameter (OD) about twice their inner diameter (ID), but this can vary based upon the washer. Washers come in many different varieties; flat washers, split lock washers, toothed lock washers, beveled washers in both steel and iron, etc.