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 6620-00-058-1533
NSN 5960-01-381-2478
NSN 5925-01-189-5292
NSN 5960-01-278-2852
NSN 5920-00-682-0500
NSN 5930-01-349-0998
NSN 6105-00-452-3855
NSN 2925-00-242-1425
NSN 5975-00-518-0780
NSN 6240-01-388-4099
NSN 6150-00-148-1665
NSN 6130-01-231-4424