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 6105-00-902-0998
NSN 5950-00-782-1849
NSN 5835-01-097-5693
NSN 5855-00-411-8688
NSN 5950-01-397-8082
NSN 5998-01-354-9226
NSN 5990-00-099-0822
NSN 6620-01-200-6493
NSN 5915-00-468-3911
NSN 5999-01-193-6676
NSN 5945-01-576-4715
NSN 5915-01-117-3034