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 5925-01-411-6028
NSN 5975-00-997-3301
NSN 5895-00-629-1976
NSN 5990-00-258-0228
NSN 6320-01-421-3777
NSN 7035-00-104-7613
NSN 6650-00-834-9062
NSN 6150-01-142-9161
NSN 6130-00-836-1450
NSN 6620-00-193-9503
NSN 5855-01-364-1005
NSN 5950-01-467-9998