PB Fastener manufactures the ceramic washer, identified as model 702382. Complying with ANSI B18.22M-1981, R1990 (Regular) standards, this washer typically provides reliable insulative properties. It is commonly used in applications requiring electrical insulation, notable for one-piece availability. https://elecena.pl/product/28585004/pb-fastener-702382-washer-ceramic-ansi-b18-22m-1981-1pc 2025-05-03 https://elecena.pl/product/28585004/pb-fastener-702382-washer-ceramic-ansi-b18-22m-1981-1pc 2026-07-06