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Pressure-Rated Metal-Bonded Sealing Washer

Manufacturer part: 93781A035

Tested to hold up to high pressures, these washers create the strongest seal of all to lock in air and fluid and keep equipment running efficiently. They are often used on flanged connections to prevent leaks in pumps, hydraulic systems, compressors, and other pressurized lines. The flexible rubber or plastic layer compresses to fills gaps, while the metal backing stops the washer from squeezing through the hole. For Nuts—Commonly used under nuts, these washers wedge into threads to prevent liquids or gases from trickling along the length of the screw. Reuse them a handful of times, as long as the material isn't damaged. Oil-Resistant Zinc-Plated Steel and Buna-N—These washers won't swell or soften when they touch oil, grease, and fuel. However, they will degrade if exposed to synthetic lubricants. They are also are more susceptible to rusting than 18-8 and 316 stainless steel.

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