Sam Engineers is a trusted name for offering precision-made O Rings. O Ring is a torus or doughnut shaped object, generally made from an elastomer and is used primarily for sealing. O rings are used in two general design applications: Static (Non moving) & Dynamic (Moving) that may range from vacuum to over 60000psi for sealing flanges and O ring grooves. Confirms To AS568 StandardMetric StandardANSI StandardJIS2401 StandardMIL SpecificationsNAS standardsDIN Standard Available Materials of O Rings NBRH-NBRX-NBRNEOPRENEEPDMSILICON FLUROSILICONSBRFLUOROCARBON ΓΆ€“