R-049 Square O-Ring (ID: 5", CS 1/16", OD 5 1/8") (1 Square O-Ring) The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
.R-255 Square O-Ring (ID: 5 5/8", CS 1/8", OD 5 7/8"), 4PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-007 Square O-Ring (ID: 5/32", CS 1/16", OD 9/32"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
5 mm, CS:1.Square O-Ring (ID:5.5 mm), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.5 mm, OD:8.