Quick view sku: 51MMV90 FKM 90 O-ring 5 x 1mm Minimum 10 pcs FKM 90 Rubber O-rings 5mm ID x 7mm OD x 1mm CS FKM (Fluorocarbon Elastomer) compound suitable for applications requiring resistance to high temperatures and compression set. 90 Durometer hardness for higher pressures Outstanding... MSRP: Now: $0.120 Add to Cart Compare Compare Selected