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 4140-01-225-3637
NSN 5910-01-399-3080
NSN 5915-01-400-6125
NSN 5999-00-661-0954
NSN 5925-00-815-8646
NSN 5925-01-420-6317
NSN 5985-01-043-6383
NSN 5998-01-203-1948
NSN 5895-00-403-1938
NSN 5996-00-612-9310
NSN 5920-01-384-4835
NSN 5905-01-052-7726