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 5950-01-084-6667
NSN 5915-00-170-6775
NSN 5855-01-406-4821
NSN 5910-01-124-4280
NSN 5998-00-186-0010
NSN 5935-00-428-3370
NSN 4140-01-318-1523
NSN 4140-00-790-4691
NSN 6150-01-410-9061
NSN 6645-01-004-0803
NSN 5935-01-566-8023
NSN 6150-01-576-7788