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 5925-00-258-8076
NSN 5960-01-477-9997
NSN 5905-00-159-8238
NSN 5935-00-895-3559
NSN 5960-00-658-7209
NSN 5910-00-741-6056
NSN 5855-01-301-0158
NSN 5895-01-625-9591
NSN 6240-00-133-1652
NSN 5996-01-195-6509
NSN 5999-00-274-3434
NSN 5975-00-453-5750