Backup Rings
SealsBackup Rings
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(2 results)
BU-90NBR-5.875×1/4-C/S(1)
$4.59
/EA
BU-90NBR-2.875×1/8-C/S(10)
$1.21
/EA
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Back-up rings are installed together with o-rings or other accompanying seals to prevent gap extrusion in sealing applications. They are available in a spiral, split, or solid design.
