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 5895-01-336-1433
NSN 6150-00-249-1760
NSN 5996-00-518-3675
NSN 4140-01-524-8722
NSN 5905-00-391-5744
NSN 5925-01-344-6478
NSN 6130-01-117-3198
NSN 5990-00-850-0609
NSN 5945-00-437-3754
NSN 5960-01-495-0859
NSN 5990-01-059-0947
NSN 6135-01-534-3007