Special Features:

Part number breakdown: 7-agt series; 018-dash size per mil-g-5514; m-male piston, external; s-one backup gland width; 964-elastomer compound designator; 5183-backup ring material designator

Properties:

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.