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 5999-01-561-1877
NSN 5950-00-456-1844
NSN 5915-00-900-3369
NSN 6240-01-648-6370
NSN 6320-00-238-9973
NSN 6685-01-392-7221
NSN 5905-01-548-3424
NSN 5895-01-067-8771
NSN 5935-00-518-1754
NSN 5998-00-915-3212
NSN 6220-01-350-0847
NSN 6240-00-079-0112