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 5999-00-272-2175
NSN 6320-01-631-7828
NSN 5990-01-094-7740
NSN 5945-00-173-8343
NSN 6240-00-553-8891
NSN 5910-01-585-7104
NSN 5990-00-578-8850
NSN 5855-01-534-7940
NSN 5930-01-380-8127
NSN 2925-01-594-0198
NSN 5950-01-423-9123
NSN 5920-00-189-0858