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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5975-01-514-6950
NSN 5999-01-535-3948
NSN 5998-01-559-7396
NSN 6105-00-193-8150
NSN 6145-00-427-7201
NSN 5910-01-308-4028
NSN 6110-00-629-7665
NSN 6240-01-186-5939
NSN 5945-01-368-5096
NSN 5985-01-357-7969
NSN 5915-00-299-2105
NSN 5965-01-399-7851