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 4140-00-259-2567
NSN 6150-00-582-7625
NSN 5895-01-504-3019
NSN 5920-01-471-5364
NSN 6610-00-678-9887
NSN 2925-01-283-6740
NSN 6685-01-508-4166
NSN 5835-00-083-6557
NSN 5925-01-124-9624
NSN 6145-01-099-9620
NSN 5960-00-792-6532
NSN 5998-01-357-0608